trek madone serial number lookup

Trek Bike Serial Number Lookup

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When investing in a quality bike like Trek, you must register your bike on their website, and if you are buying a used model, you can use the same resource for due diligence to make sure the bike you buy is legit – but where do you find the Trek serial number?

To find the serial number on your Trek bike, you need to turn it upside down and let it rest on the handlebars. The bike’s serial number is marked on the underside of the frame, close to the bottom bracket. You can check the serial number using this link to the Trek website.

Trek USA offers an online service where you can look up your Trek Bike serial number or register a new one so that in the event you want to sell yours, buy another one, or yours is stolen, the bike’s relevant information is a click away- so let’s discover more on how to lookup a Trek Bike serial number.

What Information Is Contained In A Trek Bike Serial Number?

In the old days, serial numbers were used mostly to reveal basic information about a product – mostly how many had been made of a model if there was only one.

As more models were made and released, manufacturers began to use serial numbers to provide information on the model type, year of manufacture, the material used, etc. With bike manufacturers like Trek, it became useful to have serial numbers that provided more details about the bike for themselves and the customers.

Trek serial numbers contain information that includes the year of manufacture, the plant manufacturing code, which determines at which facility the bike was made, the day of the year that the bike was made and what number the bike was in the production run on that day.

What The Trek Bike Serial Numbers Mean?

From the early 90s until current, Trek has used the prefix WTU on their serial numbers, with a three-digit number following that and then a single capital letter. Then five digits for the serial number and a final letter to end.

Let’s look at an example and decode what these numbers mean.

For a Trek serial number WTU295D85467D – the serial number would be broken down as follows:

• After WTU, 295 is the sequential date number from the beginning of the year-so 295 means this frame was made on the 295 th day of the year.
• The 85467 would be the bike’s serial number.
• The letter D at the end stands for the year 2009, while the letter D after the first three numbers would be the plant where the bike was made.

Based on this configuration and data recovered from a Trek recall notice, we can deduce that the Trek serial numbers use a letter at the end to denote the year of manufacture. With the serial number above, the letter D is the year 2009, and the list below would then represent the years prior and post.

So the very first piece of information on your Trek bike you can identify is the year of it’s manufacture, and you can use this table to determine what year your Trek bike was made.

From the information available, the numbers that follow the WTU and the day number of manufacture, the next letter or group of letters are thought to indicate the manufacturing plant where the bike was made.

Trek themselves aren’t very forthcoming about their serial numbers, only what has been described above. They don’t specify whether the serial number code includes the frame size or material type information.

Vintage Trek Bike Serial Number Lookup

Trek has been in business for a long time, and many still have vintage Trek bikes dating back to the 1970s. To establish a database of serial numbers and to decode them, a survey of more than 200 Trek owners revealed how Trek serial numbers were utilised on bikes from around 1976 to before the late 1980s.

Here, the serial number configuration was LNLNLNN, where L= Letter and N=Number, so let’s look at the serial numbers and letters and what they would mean on a vintage Trek bike.

The first letter is the frame model, and the first number is the frame size. So if the serial number begins with A1, the A would represent the Frame model 210, and the one would define a 19.75″ frame.

The letter after that represents the month the frame was serialized, so A would mean January, B would be February, etc.

The second number represents the last digit of the year of serializing and is not a reference to the year model. The final three places of the serial number have letters from A through Z and numbers from 01-99.

The letters are thought to relate to the run’s designation, and the last two letters could relate to the frame number in that run. As an example, if the serial number on your Trek bike were D5F8J57, then that would tell you the following :

• D- Frame model 510
• 5 –  25,5″ frame size
• F – The month of serialization would be June
• 8 –  1978 is the year of serialization
• J – Designating the 10 th run
• 57 – the 57 th frame of the run

You can see the complete serial number survey with all the various models and exceptions here , so you can get some info using this reference to look up your vintage Trek bike serial number.

It seems odd that such a prolific manufacturer of arguably the world’s best bicycles offers no concrete information on the structure of its serial numbers, and while the registration and recovery service is a plus, submitting a Trek serial number on their website will give you a good idea of your bike and it’s history.

Since not every bike owner is interested in decoding their Trek serial numbers and only concerned with registering their bike in case it gets stolen or needs basic information, this could be why Trek hasn’t released detailed information on their serial numbers yet.

• https://www.trekbikes.com/us/en_US/productRegistration/
• https://www.vintage-trek.com/SerialNumbers_draft.htm
• https://www.bikeforums.net/general-cycling-discussion/1209331-trek-serial-number-decoding.html

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What year is my trek bike by serial number: Decoding Serial Numbers

Cycling enthusiasts worldwide hold Trek bikes in high regard for their top-tier performance, long-lasting durability, and eye-catching designs. However, as time passes, these bicycles often lose their initial luster, making it difficult to identify their exact make and model. This is where the bike’s serial number becomes invaluable, acting as a unique code to reveal the hidden details of your trusted Trek bike.

Table of Contents

Decoding the Serial Number Enigma

At the heart of every Trek bike is its serial number, usually engraved on the underside of the bottom bracket or the rear dropout. This unique alphanumeric sequence is more than just a random set of characters; it’s the key to unlocking vital information about your bike, including its year of manufacture.

Trek Serial Number Format and Year Identification

Understanding the evolution of Trek bike serial numbers is super important for correctly determining the manufacturing year of your bicycle. Trek’s serial number formats have changed over the years, reflecting the brand’s growth and development. Here’s a comprehensive look at these formats and their associated timelines:

• Two-digit prefix (e.g., 87, 92): These serial numbers are commonly found on Trek bikes made before the 1990s. The first two digits typically indicate the year of manufacture. For example, a serial number beginning with ’87’ would signify a bike made in 1987.
• Three-digit prefix (e.g., WTU, 999): Trek bikes produced in the 1990s and early 2000s often feature this serial number format. The first three characters can provide insights into the year and the specific day of production within that year.
• Four-digit prefix (e.g., WTU0, WTU1): This format is prevalent in Trek bikes manufactured from the 2000s to the present day. The initial characters of the serial number give clues about the production year and the model year.

Decoding Pre-1990s Trek Bike Serial Numbers

For bikes produced before the 1990s, the serial number can be quite straightforward to interpret. The first two digits generally represent the year the bike was made. This simple decoding method allows owners of older Trek bikes to easily identify the age of their bicycles.

Deciphering 1990s-2000s Trek Bike Serial Numbers

Trek bikes from the 1990s to the early 2000s have a slightly more complex serial number system. The initial part of the serial number often indicates both the year and the day of production within that year. For example, a serial number beginning with “WTU060” would point to a bike manufactured on the 60th day of 1996.

The first digit of the serial number corresponds to the last digit of the production year, while the second and third digits represent the day of the year. This system allows for a more precise identification of the bike’s manufacturing date.

Understanding this format can be particularly helpful for Trek bike enthusiasts and collectors who wish to ascertain the exact age and production details of their bicycles from this era.

In addition to the serial number, other indicators can help determine the year of a Trek bike. These include the specific components used, paint schemes, and frame geometry, all of which evolved over time and can provide additional clues about the bike’s production period.

Unraveling 2000s-Present Trek Bike Serial Numbers

Trek’s serial number format for bikes manufactured from the 2000s onward introduces a new layer of complexity and precision. In this era, the serial numbers typically begin with a four-digit prefix. The first letter often correlates with the year of production, while the subsequent two digits denote the model year. For example, a serial number starting with “WTU1” suggests a bike made in 2011, with “1” indicating the model year.

This system allows for a more detailed understanding of the bike’s production timeline, particularly useful for newer models. It’s an super important tool for owners who want to keep track of the latest advancements in Trek’s bike technology and design.

Additional Tips for Determining Your Trek Bike’s Year

Even with a clear understanding of the serial number formats, there can be instances where determining the exact year of your Trek bike can be challenging. In such cases, the following tips can be helpful:

• Consult the Bike’s Documentation: The original purchase documents, such as the receipt or the owner’s manual, often include the model year. This information can be a quick reference to confirm the bike’s age.
• Contact Trek Customer Service: Trek’s customer support team has comprehensive knowledge about their product line. They can assist in identifying the year of your bike based on the serial number and other identifying features.
• Refer to Online Resources: Various online platforms, including bike forums, Trek enthusiast websites, and databases, offer valuable insights into decoding Trek bike serial numbers. Engaging with these communities can also provide additional historical context and user experiences that might align with your own.

Leveraging Technology to Determine Bike Age

In today’s digital age, technology also plays a significant role in identifying the age of your Trek bike. Mobile applications and online tools have been developed to decode serial numbers automatically. These resources can cross-reference your bike’s serial number with extensive databases, providing instant information about your bike’s model year and other relevant details.

Maintaining Your Trek Bike’s Legacy

Understanding the year of your Trek bike is more than just a matter of curiosity; it’s about preserving the legacy of a high-quality bicycle. Knowing the age and model of your bike can assist in proper maintenance, upgrades, and even resale, should you choose to part with your cycling companion.

Deciphering the serial number of your Trek bike is an intriguing journey into the history and heritage of one of the world’s most renowned bicycle manufacturers. Whether you are a seasoned cyclist or just starting, this knowledge adds a layer of depth and connection to your cycling experience. By unraveling the secrets encoded in the serial numbers, you can appreciate the craftsmanship and history of your Trek bike in new ways.

For more information on maintaining and enjoying your Trek bike, or if you’re looking to become part of the Trek family, visit our homepage at Refried Cycles for a comprehensive guide to all things cycling. Here, you’ll find an array of resources to enhance your biking journey, from expert maintenance tips to the latest in cycling gear and trends.

About Heyden Camden

Heyden Camden is a passionate cyclist and entrepreneur who founded Refried Cycles, a beloved bike shop in San Francisco’s Castro district. He is known for his love of old bikes, his welcoming community, and his expert fixers. Today, he continues to share his passion for cycling through his blog and social media.

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Trek Bike Serial Number Decode: Unveiling the Secrets Behind Your Trusty Two-Wheeler

Introduction.

Hitting the open road on a bicycle can be an exhilarating experience. Whether you’re a casual cyclist or a passionate adventurer, having a reliable bike is essential. If you own a Trek bike, you might be curious about the secrets hidden within its serial number. In this article, we’ll dive into the world of Trek bike serial numbers and decode the valuable information they hold. So, grab your helmet and get ready to uncover the mysteries of your trusty two-wheeler!

Table of Contents

What’s in a Serial Number?

Every Trek bike comes with a unique serial number. This combination of letters and numbers might seem arbitrary at first glance, but it holds important details about your bicycle. Let’s break it down and find out what each component means.

The Frame Size Revelation

The first few characters in the serial number can reveal the frame size of your Trek bike. For instance, if your serial number starts with “WTU,” it indicates that you have a bike with a standard frame size. If it starts with “WSD,” it means you own a Women’s Specific Design frame, tailored for female riders. Decoding the frame size helps ensure you have the right fit for maximum comfort and performance.

Unlocking the Production Date

The serial number also provides insight into when your Trek bike was manufactured. Trek uses a specific coding system to represent the production date. Look for the two letters that follow the frame size code. The first letter corresponds to the month, with “A” representing January, “B” for February, and so on. The second letter denotes the year, with “N” representing 2011, “P” for 2012, and so forth. By decoding these letters, you can determine the age of your bike.

Identifying the Manufacturing Location

Trek bikes are manufactured in different locations around the world. The serial number gives a clue about where your specific bike was produced. Look for the two letters after the production date. Each letter represents a specific manufacturing facility. For example, “WR” stands for Waterloo, Wisconsin, where Trek’s main headquarters are located. Knowing the manufacturing location adds an interesting backstory to your bike’s journey from factory to your doorstep.

Cracking the Model Code

The serial number is also instrumental in revealing the model of your Trek bike. After the manufacturing location letters, you’ll find a series of numbers and letters that represent the specific model code. This code includes information about the bike’s style, model year, and other specifications. By deciphering the model code, you can gain a deeper understanding of your bike’s characteristics and features .

Checking the Validity

While decoding the serial number, it’s essential to ensure its authenticity. Unfortunately, bike theft is a common occurrence, and sometimes stolen bikes are sold with altered or fake serial numbers . Trek has a dedicated website where you can verify the legitimacy of your bike’s serial number. By entering the code, you can confirm that your Trek bike is genuine and not a victim of theft.

Additional Information and Resources

Trek’s serial numbers hold a plethora of information, but there might be other details specific to your bike that aren’t covered by the general decoding process. In such cases, it’s always helpful to reach out to Trek’s customer service or consult their official website for more information. They have a wealth of resources available to assist you in unraveling any remaining mysteries about your beloved two-wheeler.

Your Trek bike’s serial number is like a hidden treasure map, guiding you through the fascinating details of its origin and specifications. By

decoding the serial number, you can uncover valuable information about the frame size, production date, manufacturing location, and model of your bike. It’s not only an exciting journey but also a practical way to ensure you have the right fit and authenticity. So, next time you hop on your Trek bike, remember that its serial number holds a story waiting to be discovered.

FAQs (Frequently Asked Questions)

Q1: can i decode the serial number of any trek bike model.

A1: Yes, the decoding process is applicable to all Trek bike models as the serial number format remains consistent across their product line.

Q2: How do I find the serial number on my Trek bike?

A2: The serial number is typically located on the bottom bracket shell or the frame near the crankset. It can also be found on the bike’s original receipt or documentation.

Q3: Can I use the serial number to track my stolen Trek bike?

A3: Yes, if your Trek bike is stolen, you should report the theft to the authorities and provide them with your bike’s serial number. It can help in the recovery process.

Q4: What should I do if the serial number on my Trek bike is illegible or missing?

A4: If the serial number is illegible or missing, it’s crucial to contact Trek’s customer service. They might be able to assist you in identifying your bike using alternative methods.

Q5: Does decoding the serial number affect my Trek bike’s warranty?

A5: No, decoding the serial number doesn’t impact your Trek bike’s warranty. It’s a helpful process that provides you with valuable information about your bike without voiding any warranties.

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Identify Bike By Serial Number – Guide to Identify & Lookup

Bicycle theft is a major issue in many large cities and in all likelihood we’ll all be a victim at some point! The good news is that bicycle manufacturers have begun to assign serial numbers to their bikes. These bicycle serial numbers are incredibly valuable when it comes to bicycle theft prevention.

To combat the rampant problem of stolen bikes, it’s important that you know as much as possible about bicycle serial numbers as they’ll come in handy in case you have your bike stolen. In this post, I’ll go over everything you need to know about your bike serial number. With this information, you’ll be able to identify your bike by serial number and potentially get it back if it turns up somewhere.

What are bike serial numbers?

The bike serial number is a string of numbers that the bike company gives to your bike so they can identify details about the bike. These serial numbers are typically six to ten digits long, and it’s this number that allows bicycle owners to track their bikes in case they’re lost or stolen.

So just like your fingerprints identify you, every bike has its own unique serial number assigned by its manufacturer.

What Can You Decode with Bike Serial Numbers?

If you have the serial number of your bike, you will be able to find out information about it. This might include the date of manufacturing, type of bike , and other info which can help identify your registered bike.

How do you identify bike by serial number?

There aren’t any set ways to read a bicycle serial number because each bike manufacturer has its own way of assigning these identifying digits onto a bike or bike part. However, the first set of numbers can usually tell you when they made it (the year), and the last few digits represent assembly and an individual ID. Still, the easiest way to read the bike serial number is by using a bicycle decoder for your specific brand’s bikes.

Why is it Important to Know your Bicycle Serial Number?

The serial will be helpful if you need to make a claim on the warranty for your bicycle in case it’s damaged. The bike company will need that serial number to process the warranty claim for you. A serial may also assist a bike mechanic in identifying the exact parts for your bicycle, which should greatly speed up your repairs.

Having all of the bicycle’s serial numbers can be very helpful in case you ever have your bike stolen. You’ll want to make sure that these are registered with a bike serial number database so you’ll be able to track it down if necessary.

Where can you find your bike’s serial number?

The bike’s serial number is typically etched into the bike frame, and you can find it near the bottom bracket, which is where your pedals are mounted to the crank arms. This location may vary depending on what type of bicycle it is and the brand. However, the locations that they put them is generally one of the following places:

• Bottom bracket  – you can find a bike serial number on the underside, typically near the front wheel area.
• Headset  – Another bicycle serial number may be near an opening at the head tube
• Rear stays  – usually right behind the seat post cluster
• Seat downtube  – found below rear stays or above the bottom bracket.
• Rear Dropout – Some BMX bikes may have the bike serial numbers listed here.

Once you identify the serial number on your bike, it’s very important to write it down and save a copy for yourself in case there is ever any need for identification purposes. Whether that be if someone were to steal your beloved bicycle or as part of an investigation into finding out who stole/lost their own bike! You should also take pictures of the area around where the bike serial number was found so that you’ll have all the information at hand no matter what happens.

Another thing that I always recommend doing is taking pictures of yourself with the bike in a way that clearly distinguishes identifying features of the bike. That way, you’ll have less to talk about when making claims that the bike is yours.

It can’t hurt, right?

Register Your Bike Immediately

After you’ve found the bike’s serial number, your next goal is to register your bike in a serial number registry such as project529.com to make it easier for you if your bike is ever stolen. There are many free services that can help with this process.

While this might not always prevent your bike from being stolen, registration makes it much easier to identify and get back should you ever be unlucky enough for that to happen. Registration goes a long way in helping to deter bike theft as well.

Register Your Bike With Local Authorities

You can also register your bike with your local law enforcement agency. Most major police departments have a registration process that will allow you to list the bike in their database. This will give you added protection directly in your city, so if your bike is ever stolen, you can quickly take measures to recover it, especially since police frequently find missing bikes.

What if You can’t find the Serial Number?

If you have no way to find the bike’s serial number, you can still register your bicycle.

You need to purchase a registration kit and use the bike’s description or other identifying information (make/model) in place of the serial number on your bicycle.

The best way to go about it is to reach out to a bicycle registration and tracking company that has developed an online system for ordering kits conveniently from their website.

Another thing you could do is get a bike tracker installed on your bike to monitor the bike by GPS.

The tracker will allow you to track your bicycle in real-time so that if it ever gets stolen, all you have to do is go to the app and look where it currently is – even if the location changes while you’re looking!

Looking Up A Serial Number

Knowing how to look up a bike’s serial number is important for locating a missing bike or buying a new one. It’s also useful in making sure you get bike parts that are compatible with the bike. As such, knowing exactly where to go look up the serial is crucial.

The best places to go to do a bike serial number lookup is one website such as bikeregister.com or bikeindex.org . These sites are bike registry sites that allow you to search for a bike by entering the bike’s serial number.

They also help to recover stolen bikes as they are set up so the bike owner will be notified if the bike pops up anywhere else online or offline without being registered with its serial number.

So while it’s not a foolproof way to prevent the bike from being stolen in the first place, bike indexes can be a great help to make sure you get your bike back if it does go missing.

How do you perform a Bike Serial Number Lookup?

To perform a lookup of a bike serial number, you need to go to one of the websites mentioned above and enter the bike’s serial number.

The bike index site will provide you search field that you can input the bike serial number into. Then all you have to do next is hit search, and the index will provide you with a list of matches. Once you have the list of matches, you can go through the details about those bikes and their location. However, to ensure this is your bike, contact any potential sellers or owners in person for verification purposes.

Can you tell the age of a bike by the serial number?

Only some bike brands use a date code in the bike serial number which would allow you to tell the age of a bike. However, most don’t so you won’t be able to use it to determine the age. 

Do all bicycles have serial numbers?

Yes, almost all bicycles include a serial number on some part of the bicycle frame. 

Is the serial number the same as the frame number on a bike?

Yes, the frame number and serial number are the same in all cases. However, depending on the bike model and age the placement of the number may vary. 

Can you track down a bike by yourself?

Yes, you can personally track down your bike if you know the bike’s serial number and find its location online. However, confronting a thief isn’t safe, and I wouldn’t recommend doing it in most cases. Instead, I would alert the police and have them deal with the matter, or if you spot someone riding your bike, you could tail them from a distance until the police show up.

Does an E-Bike Have a Serial Number?

Like most other types of bikes, an electric bike has a serial number engraved on the bike’s frame.

Where is Fuji bike serial number located?

You can find the serial number under the bottom bracket for Fuji bicycles in most cases.

Where is Trek bike serial number?

Trek serial numbers are found near the bottom bracket and are usually in the form of a sticker with a barcode or a string of numbers and letters.

Where can I find Specialized Bike Serials?

Specialized typically put their serial number on the bottom bracket of their bikes. You can also check the down tube for a serial number in the form of a non-removable sticker.

Where is Scott’s bike serial number?

Scott bikes also tend to have their serial numbers on the bottom bracket.

How can I identify my bike by its serial number?

You can identify your bike by its serial number by checking the common serial number locations on the bike’s frame, such as the bottom bracket, headset, rear stays, seat downtube, or rear dropout. You can also use a bicycle serial number decoder or a bike serial number decoder to look up the serial number and find more information about your bike.

What is a bicycle serial number decoder?

A bicycle serial number decoder is a tool that can be used to decode a bike’s serial number and find more information about it. These tools can be found online and are typically specific to a certain brand of bike. They can help bike owners identify their bike’s model, manufacturing date and other details.

How can I use a bike serial number decoder to find my stolen bike?

A bike serial number decoder can be used to find a lost or stolen bike by inputting the serial number in the decoder and searching for information about the bike. The decoder may provide information about the bike’s location if the bike has been registered with a bicycle serial number database. It’s important to register your bike with a database after purchasing it, so if it’s stolen, it could be easier for the police to find it.

How can I use a bicycle serial number identifier to find my lost bike?

A bicycle serial number identifier is a tool that can be used to find information about a bike by inputting the serial number. These tools can be found online and are typically specific to a certain brand of bike. They can help bike owners identify their bike’s model, manufacturing date and other details. The identifier may provide information about the bike’s location if the bike has been registered in a bicycle serial number database. This can be helpful in case of a lost bike.

How can I register my bike’s serial number in a bicycle serial number database?

To register your bike’s serial number in a bicycle serial number database, you will typically need to provide the serial number and information about the bike’s make, model, and color. Some bike shops or manufacturers also provide this service, or you can check with your local police. You can also register your bike with the company, for example, Rad Power Bikes registration.

Wrapping Up

Bike serial numbers are an important part of bike security as much as properly securing your bike. So whenever you buy a bike, it is vital to write down the bike’s serial number and take pictures so that if your bike ever gets stolen or lost, you’ll have all the necessary information at hand for recovery purposes. Your next goal should be registering the bike to make it easier for recovery purposes (should the unfortunate event happen). You can also register with local law enforcement agencies like police departments which will help deter theft!

I hope all of this information has been helpful to you!

Last Updated on October 14, 2023 by Daniel White

How Do I Tell What Year My Trek Bike Is?

Are you a proud owner of a Trek bike but can’t quite figure out what year it was manufactured? Don’t worry, you’re not alone. Many Trek bike enthusiasts face the same predicament.

The good news is that there are several telltale signs that can help you determine the year of your Trek bike , and in this article, we’ll guide you through the process.

So, how do you tell what year your Trek bike is? It’s a question that has puzzled many riders, but fear not, we’re here to provide you with the answers.

Whether you’re a seasoned cyclist or just starting your biking journey, knowing the age of your Trek bike can be useful for various reasons, from understanding its value to keeping track of its maintenance schedule.

So, let’s dive in and unravel the mystery of how to tell what year your Trek bike is!

How Do I Tell What Year My Trek Bike Is

Determining the year your Trek bike was made can be somewhat challenging, especially if you don’t have any documentation or receipts. Thankfully, there are a few key indicators and methods that can help you accurately identify the year of your Trek bike.

1. Check the Serial Number

The serial number of your Trek bike is the most crucial piece of information when it comes to determining its manufacturing year. The serial number is typically engraved or stamped on the bottom bracket shell, which is the part of the bike frame where the crankset is attached.

It’s important to note that the location of the serial number may vary slightly depending on the model and year of production.

To begin your quest for determining the year of your Trek bike, locate the serial number and follow these steps:

• Write down the serial number exactly as it appears on your bike frame .
• Visit the official Trek Bikes website or contact Trek’s customer service department to check if they provide a serial number lookup tool. Some manufacturers, including Trek, have online databases that allow you to enter your serial number and retrieve information about your bike.
• If there is no online lookup tool available, try reaching out to Trek’s customer service department directly. They may be able to help you determine the year of your bike by providing them with the serial number.

2. Decode the Serial Number

If you prefer a more hands-on approach, you can decode the serial number yourself, which can reveal valuable information about your Trek bike, including the manufacturing year.

The format of Trek’s serial numbers has evolved over the years, so it’s essential to understand the pattern based on the era your bike was produced. Here’s a breakdown of Trek’s serial number formats by era:

a. Pre-1993

If your Trek bike was manufactured before 1993, the serial number typically consists of a series of numbers and letters, and they don’t follow a specific pattern. In these cases, it may be more challenging to determine the exact manufacturing year.

b. 1993-1999

In this era, Trek introduced a seven-digit serial number format. To decode the serial number from this period, follow these guidelines:

• The first letter represents the year of production. For example, “M” stands for 1993, “N” for 1994, and so on.
• The second letter represents the month, with “A” referring to January, “B” for February, and so forth.
• The remaining five digits represent the frame production number.

c. 2000-Present

From the year 2000 onwards, Trek implemented an alphanumeric serial number system consisting of two letters followed by a series of numbers. To decipher the serial number from this era, adhere to the following guidelines:

• The first letter represents the month of production. For instance, “A” corresponds to January, “B” to February, and so on.
• The second letter indicates the year, with “A” representing 2000, “B” for 2001, and so forth. However, the letters “I,” “O,” “Q,” “U,” “Z” are not used to avoid confusion with numbers.
• The following numbers indicate the production sequence or frame number.

3. Consult Trek Bike Catalogs

Another valuable resource for determining the year of your Trek bike is consulting Trek bike catalogs. Trek has been publishing annual catalogs since the 1980s, which provide comprehensive information about their bike models, including specifications and changes made each year.

By cross-referencing your bike’s features and components with the corresponding catalog, you can narrow down the manufacturing year.

Here’s how you can find and use Trek bike catalogs:

• Search online for Trek bike catalogs from different years. Multiple websites and online communities have compiled digitized versions of these catalogs, making them easily accessible.
• Identify the era your bike belongs to based on its features and components.
• Look for specific details, such as frame colors, decals, and components, in the catalog that match your bike.
• By comparing the details, you should be able to determine the exact manufacturing year of your Trek bike.

4. Seek Expert Opinion

Sometimes, even with your best efforts, determining the exact year of your Trek bike can be challenging due to various factors. In such cases, it may be beneficial to seek the help of experts or enthusiasts who have extensive knowledge and experience with Trek bikes.

There are Trek-specific forums, online communities, and social media groups where you can share pictures and details of your bike, and experts can provide insights based on their expertise. Don’t hesitate to ask for assistance if you’re unable to determine the year of your Trek bike on your own.

Frequently Asked Questions

1. How can I determine the year of my Trek bike?

To determine the year of your Trek bike, first, locate the serial number on the frame. The serial number can usually be found on the bottom bracket. Once you have the serial number, contact Trek customer support or use their online serial number lookup tool to get the manufacturing year.

2. Where is the serial number located on a Trek bike?

The serial number on a Trek bike is typically located on the underside of the bottom bracket shell. Check the area where the two pedal cranks join in the center of the bike’s frame. It may be stamped or engraved there.

3. Is there a specific format for Trek bike serial numbers?

Yes, Trek uses a consistent format for their bike serial numbers. The format typically consists of a series of letters and numbers. The first letter represents the production facility, while the following two numbers indicate the year of manufacture.

4. Can I determine the year of my Trek bike based on its model name or components?

In some cases, the model name or components can give you a general idea of the bike’s age. However, Trek frequently updates their designs and component specifications, so it’s not always accurate to rely solely on these factors to determine the exact year of manufacture.

5. Can I find the manufacturing year of my Trek bike using an online resource?

Yes, Trek provides an online serial number lookup tool on their official website. By entering your bike’s serial number into the tool, you can quickly find out the manufacturing year. This is especially useful if you don’t have access to the original documentation or if the serial number is difficult to read.

Final Thoughts

In conclusion, determining the year of your Trek bike can be a straightforward process if you know where to look. By examining the serial number stamped on the frame, you can decode valuable information such as the manufacturing date.

Trek often uses a two-letter coding system for their bikes, with the first letter representing the month and the second letter indicating the year. This system allows you to pinpoint the exact year your bike was made.

So, the next time you find yourself wondering, “How do I tell what year my Trek bike is?” simply locate the serial number and crack the code to unveil the bike’s vintage.

Mehedi Hasan

Hi, I am Mehedi Hasan - who is a thirsty traveler and bike lover, love to travel on the hill, city areas, paved, gravel, or uneven track with Road, City, MTB, Hybrid, Touring, or sometimes BMX or Single-Speed Bike. Yes, I have a collection of them in my basement that is currently used as our Bicycle Renovation center.

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How Do You Read a Trek Bike Serial Number

To read a Trek bike serial number, you will need to locate the serial number on the frame of the bike. The serial number is usually located on the bottom bracket of the frame. Once you have located the serial number, you will need to identify the year of manufacture for the bike. The year of manufacture is coded into the serial number.

If you’re like most cyclists, you probably don’t think much about your bike’s serial number. But if you ever need to order replacement parts or register your bike for warranty, that number can be important. Here’s a quick guide to help you decode a Trek bike serial number. The first thing to note is that Trek uses a different system for numbering their bikes than other manufacturers. Instead of starting with the production year, they use a code that indicates the frame material and size. For example, an “18” indicates an 18-inch aluminum frame, while a “19” is a 19-inch carbon frame. After the frame size code, there’s usually a letter that denotes the month of production. The following two numbers indicate the year of production, and the last four digits are the production run number within that year. So, if you see something like “18A1234,” that means it’s an 18-inch aluminum frame from January (A) of 2018 (12), and it was the 1234th bike made that year with those specifications. Knowing how to read your Trek bike serial number can come in handy if you ever need to track down replacement parts or file a warranty claim. And now you’re one step ahead when it comes time to decode those numbers!

Trek Wtu Serial Number

Trek Wtu Serial Number The Trek Wtu is a great bike for those who are looking for an entry level mountain bike. It is perfect for someone who is just starting to get into mountain biking or someone who wants a good quality bike without spending a lot of money. The Wtu has a lightweight aluminum frame and suspension fork that make it easy to maneuver on the trails. It also has 21 speeds, making it easier to find the right gear when you are climbing hills or going downhill. The Trek Wtu also comes with front and rear disc brakes, giving you more stopping power when you need it. One thing to keep in mind when purchasing a Trek Wtu is that it does not come with pedals. You will need to purchase them separately or find a model that comes with pedals included. Overall, the Trek Wtu is a great entry level mountain bike that is perfect for those just getting started in the sport.

Trek Serial Number Year

If you’re a Trek fan, then you know that the serial number on your bike can tell you what year it was made. But did you know that there’s a specific way to decode that number? Here’s how: The first two digits of the serial number indicate the production year. For example, if your bike has a serial number of 1234, it was made in 2012. The next two digits indicate the month of production, with Jan being 01 and Dec being 12. So, if your bike has a serial number of 1234, it was made in December 2012. The last four digits are simply an individual identifier for each bike produced that month – so no two bikes will have the same serial number. So there you have it – now you can tell exactly when your beloved Trek was born!

Trek Serial Number, Frame Size

When it comes to finding the perfect bike, size does matter. But, with so many different types and brands of bikes out there, how do you know what size is right for you? And once you have your dream bike, how can you be sure that it’s the real deal? With a little bit of research, you can find the answers to both these questions and more. When it comes to sizing a bike, the most important measurement is the frame size. This is the horizontal distance from the center of the bottom bracket (where the pedals attach) to the top of the seat tube. The ideal frame size for a bike depends on both your height and your inseam (the distance from your crotch to the ground). There are a few different ways that manufacturers list frame sizes, but they all basically refer to this same measurement. Once you’ve found a bike that feels comfortable and has all the features you’re looking for, it’s time to check if it’s legit. One way to do this is by looking up its serial number online. Every Trek bicycle has a unique serial number that can be used to track its history. To find yours, look for a white sticker with black numbers on either the underside of the frame near where the pedals attach or on one of dropouts (the part of frame where wheels attach). Once you have this number, head over to Trek’s website and enter it into their “Serial Number Lookup” tool. This will tell you when and where your particular bike was made as well as any other pertinent information about its history. Now that you know how to read a Trek serial number and what size frame is right for you, get out there and start pedaling!

Trek Madone Serial Number Lookup

Trek is a popular bicycle brand that offers many different models of bikes. The Madone is one of their most popular road bikes. If you need to find the serial number on your Trek Madone, there are a few places you can look. The first place to check is on the frame of the bike itself. The serial number is usually located on the bottom bracket shell or on the headtube. If you can’t find it there, try looking on the inside of one of the dropouts. If you still can’t find the serial number, your last resort is to contact Trek customer service. They should be able to help you locate it based on your bike’s model and year.

Trek Mountain Bike Serial Number Lookup

If you’re like most mountain bikers, you probably don’t think much about your bike’s serial number. But if you ever need to register your bike or make a warranty claim, that number can be important. Here’s a quick guide to help you look up your Trek mountain bike’s serial number. The first place to look for your Trek mountain bike’s serial number is on the bottom of the frame, near the crankset. If there’s no serial number there, check under the bottom bracket or on the head tube. If you still can’t find it, take a look at the rear dropouts. On some models, the serial number is stamped into one of the dropouts. Once you’ve found the serial number, write it down and keep it in a safe place. That way if you ever need it, you’ll have it handy.

Credit: www.bikelockwiki.com

How Do You Decode Trek Serial Numbers?

Trek serial numbers are used to identify individual bicycles. The serial number is located on the underside of the bottom bracket. Decoding a Trek serial number can be difficult, as there is no definitive guide from Trek. However, with some basic knowledge and a little bit of research, you should be able to decode your Trek serial number and find out when your bike was made. The first step in decoding a Trek serial number is to identify the country of origin. “Made in USA” bikes will have a letter code for the month (A-L) followed by two digits for the year (09-20). For example, an “M” bike would have been made in December 2009 or 2020. If there is no letter code, then the bike was likely made in Taiwan or China. The next step is to identify the factory where the bike was made. This information can usually be found on Trek’s website under “Where We Make Our Bikes”. Once you know the factory, you can narrow down the possible production dates for your bike. If you’re still having trouble decoding your Trek serial number, there are a few other resources that might be helpful. First, try searching for your specific model on BicycleBlueBook.com – they often have detailed information about when particular models were produced. You can also try reaching out to Trek directly – their customer service team may be able to help you decode your serial number based on their records.

How Do I Tell What Year My Trek Bicycle Is?

If you’re not sure what year your Trek bicycle is, there are a few ways to find out. The most accurate way to determine the year of your Trek bike is to reference the serial number. To find the serial number on your Trek bike, look for a white or silver sticker with black lettering on either the underside of the frame near where the pedals attach, or on the back of the headtube. Once you’ve found the serial number, you can use Trek’s online tool to decode it and learn more about your bike. If you can’t find the serial number or don’t have access to a computer, another way to figure out the year of your Trek bike is by looking at certain features that changed from year to year. For example, in 1998 Trek introduced their OCLV carbon fiber frames, so if your bike has an OCLV frame it was likely made after 1998. Similarly, in 2000 Trek came out with their Fuel EX model which was one of their first full-suspension mountain bikes. So if you have a Fuel EX, it was most likely made between 2000 and 2009 whenTrek updated the model. Finally, if you know when you purchased your bike or received it as a gift, that can also be helpful in determining its age. Of course this isn’t always accurate since people often hold onto bikes for many years before passing them down or selling them, but it can give you a general idea. In short, there are a few ways that you can tell what year your Trek bicycle is. The most accurate way is by referencing the serial number using Trek’s online tool. If you can’t find the serial number or don’t have access to a computer, another way to figure out approximately when your bike was made is by looking at certain features that changed from year to year like different frame materials or models that were introduced at specific times.

Can You Tell the Year of a Bike by the Serial Number?

The answer to this question is a bit more complicated than a simple yes or no. In order to determine the year of a bike by its serial number, you need to know the manufacturer and the specific model of the bike. Each manufacturer has their own system for numbering their bikes, so there is no one standard method. However, most manufacturers include the year as part of the bike’s serial number. For example, Trek bikes have a letter code that denotes the year; “A” represents 2000, “B” represents 2001, and so on. If you can’t find any indication of the year in the serial number, your best bet is to contact the manufacturer directly and they should be able to help you out.

How Do I Look Up My Bike Serial Number?

If you’re looking to find your bike’s serial number, there are a few places you can look. The most obvious place to start is on the frame of your bike. If your bike has a straight top tube, the serial number will likely be located under the bottom bracket. If your bike has a sloped top tube, the serial number is probably located on the headtube near the stem. Another place to look for your bike’s serial number is on any stickers that may be affixed to the frame. These could be manufacturer’s stickers, dealer stickers, or even just random decorative stickers. If any of these stickers obscure theserial number, you may need to remove them in order to find it. If you still can’t find your bike’s serial number after checking these two locations, it’s possible that it was never stamped onto the frame in the first place. This isn’t terribly uncommon, especially with older bikes. In this case, you’ll likely need to consult other records in order to track down your bike’s serial number.

How To Find Model/Year Of Vintage Trek Bike By Serial Number

To conclude, in order to read a Trek bike serial number, you will need to know the model and year of the bike. The first two letters of the serial number represent the month and last two digits of the year. The next four numbers represent the production run sequence. You can use this information to help narrow down when your bike was made.

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Madone Serial Numbers

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Does anyone have any information, or otherwise decoded the serial number schemes for the new Madones, or I guess modern Treks in general? No particular reason, just a curiosity. zac  

zac said: Does anyone have any information, or otherwise decoded the serial number schemes for the new Madones, or I guess modern Treks in general? No particular reason, just a curiosity. zac Click to expand...

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"Rub the area with candle wax of a color that contrasts with your paint. Lightly wipe it off with a rag. The wax stays in the indented area of the S/N. Now you can easily read the number. I have included a photo of the results from my bike. In this case I used a red candle to make the serial number stand out. Note that even with the serial number filled with wax, the leading "0" is almost imperceptible."

Serial Number Descriptions

The serial number descriptions are divided into five categories. Click on the link below to go to the appropriate category.

Prior to Late 1980 | Late 1980 to Late 1986 | Late 1986 to 1997+ Foreign Built 82 to 95 | Mid 90s 3-Part Numbers | Jazz by Trek Missing Serial Numbers

PRIOR TO LATE 1980

Before late 1980, Trek used an alphanumeric serial number scheme. Each seven-character number consists of three letters mixed with numerals. The serial number list and the code for the list are not available from Trek (but hope springs eternal). In the meantime, we have the results of the serial number decoding project:

The second number is the last digit of the year , 6, 7, 8, 9 (for 197X) and 0 for 1980. See note below , **** , for year exceptions . Again, this is the date of serializing, not necessarily model year.

The last three characters - The final letter ranges from A to Z and the final two numbers go from 01 to 99. The last letter might be a run designation, with the last two numerals the frame number in that run? Alternatively, the letter extends the range of the character from 0 to 9 (if a number) to 1 to 26. This gives a range of 2600 for the 3 characters. Any other ideas for these last three characters?

The rest of the code defines time to a month. Perhaps once Trek was nearing more than 2600 bikes/frames of a given model per month, a new serial number scheme needed to be developed. Hence the change to the sequential system started in late 1980.

* There is no Model 210 in the brochures on the site; however, four frames have been reported with a SN leading with an "A". Two had Ishiwata high tensile double butted main tube stickers, the other two were unmarked. They have touring length chainstays (one was measured at 44.5 cm) and the rear dropouts are without adjusters. According the the SNs, they were made after the TX200 was no longer in the brochures. Another small mystery; for now we'll call it a 210. (Note: These frames previously were speculated to be 310s. However, without adjusters, as was the model TX200, they more likely were called 210s. ** One interesting variant of the SN code has been submitted. It has a leading B and has eight characters instead of the usual 7 (B4K6B109). It has SunTour dropouts, and had a partial tubing sticker that included the text "TENSION BUTTED". The date from the SN is Nov. 76. Probably a TX200 with an extra character in the SN. *** Several frames with a leading serial letter of G have been reported with Columbus tubing stickers. TX700 frames were available as special order, with Columbus tubing instead of the specified Reynolds 531. These bikes were designated as Model TX770.

**** Year Exceptions:

A. Serial numbers beginning with M or N (41X and 61X bikes or frames) seem to have a different meaning for what normally is the year digit. The year digit is the fourth character in the number. In the 50 M and N serial numbers that have been sent in by owners, the year numbers go from 0 through 9. The remaining part of the serial numbers seem normal. According to the brochures, Trek did not make 41X and 61X bikes or frames during 76, 77, 78, and 79 and also not in 83, 84, 85, 86, 87, 88, or 89. These serial numbers apparently do not follow the year convention used for other Trek models. It is likely these frames, SNs beginning with M or N (Models 41x and 61X), were contracted out, and were given the old serial number form so as not to interfere with the sequential numbers being assigned by Trek in their shop, which began in late 1980. This variation to the SN system may have been done to extend the numbering system. By using the fourth character as an extension of the last three, the serial numbers could be extended from 2600 possible combinations to 26,000 for a given month. For M and N leading serial numbers, if the TREK letters on the seattube have no colorwrap behind, the bike is from 1980 or perhaps 1981. If it has a colorwrap, the bike is probably from 1982. B. One early TX700, an evaluation frame sent to a bike shop, had a 4 in the year digit. That 4 may signify an evaluation unit. C. Three 950 frames have been reported that contain unlikely year codes of 5, 6 and 7. It is very unlikely they were made in 1975, 76, or 77, more likely (from the brochures) 1980, 81, or 82. Another 950 frame was reported with a 0 in the year code, but was painted as a 1982. From the geometries, they probably were custom frames. Trek apparently used a different coding method for these frames, perhaps so as not to interfere with the production frame serial numbers.

When a Trek frame was repainted by Trek, an additional set of numerals was often stamped into the bottom bracket to indicate the frame was repainted. These numbers were usually four digits, in the form NNNN.

Late in 1980, Trek changed to a new numbering system for their frames built in the U.S. The frames were numbered sequentially, beginning with number 000001. The record of the assembly runs was documented in a handwritten journal. Trek (Kevin Tita) graciously provided a copy of the journal for this web site. The list ended in November of 1986 with number 279975. This serial number system actually extended through at least 1997 (see Table II below).

The journal includes run number, model number, frame size, and serial number range. Incidental information, including dates and comments on the frames, appears sporadically through the journal. A "run" was for a particular frame size and frame model.

We all owe thanks to Luker White who generously donated his time to convert much of the paper list to digital form.

Click on the date link in Table I below to go to the detailed serial number information for that year.

Table I - 1980 to 1986

N otes for Table I:

• Table I contains dates of frame serializing, and are not necessarily model year. At some time late in each year (generally September or October) frames were built for (then painted with colors for) the next model year. This journal information is summarized by year in Table I. The year designations in the table are approximate; not all of the runs are sequential in time. This may be a result of subcontracting some frame fabrication.
• For some years, the model number given may be the lowest number (or an X00 number) for a series of models that have the same frame. For example, a 1981 frame appearing on the list as a Model 610 could have been built into either a 613, 614, or 616 bike.
• Some of the Model 170 serial numbers are 6 digits but do not follow the numerical sequence. A future task is to sort 170 numbers. Some of these are presented in the 83, 84 link at the bottom of the table.
• Some early and mid 80s bottom brackets were marked with 58TSI or 60TSI. In the early 1980s Tim S. Isaac designed new lugs and a new bottom bracket shell for Trek. The new bottom bracket shell is typically marked with 58TSI (or more rarely, 60TSI). This designation is not part of the serial number but is a model number of the shell. The TSI are Tim's initials. The 58 or 60 refer to the angle between the seattube and the downtube.
• Some frames in this period have a leading "A" before the 6 digit number. This may be more prevalent on lower level models. The "A" may not be part of the SN. Just disregard it when looking up the number in the tables below.
• Frame Sizes in the SN list below are as given on the paper copy. For some entries, only a two-digit number was given, the extra 1/2 or 3/4 inch was dropped. So - an entry of 22 inches really means a 22.5" frame size, 19 means 19.75", 25 means 25.5".
• The list has two major gaps, corresponding to missing pages. Page 9 ends with SN 027870 and the next page starts with 029118. Page 61 ends with 210065 and the next page starts with 215226.

LATE 1986 to 1997+

This 6 digit (7 digit beginning in 1993) code extended into at least 1997, at least for some models (generally mid to upper level and made in the U.S.). The number may or may not have a leading zero, making the six digits into seven digits prior to 1993. The model is not available for these numbers but the year can be determined or estimated from Table II below. The information in the table is from serial numbers submitted by site visitors. Our thanks to them. In contrast to the serial number dates in Table I above, the years in Table II represent model years, not the date the serial number was applied.

Table II - Model Years 1987 to 1997

FOREIGN-BUILT FRAMES AND BIKES 1982 to MID 90s

Three different serial number forms have been submitted for 1983 Trek Model 400 frames. One, marked "made in Japan", begin with JS followed by six numerals. The SN was located on the bottom of the bottom bracket. A second serial number is 81765. According to the Trek-provided SN list, this corresponds to a 22" (22.5") Model 400 frame made in 1983. This SN form is for frames/bikes made in the U.S. The number was marked on the bottom of the bottom bracket. The third number is 403300950, which indicates foreign built, but the nation of origin sticker was missing. This number was marked at the bottom of the down tube. It is likely this 400 was made by the same manufacturer as the 1984 bikes described in the paragraph below. For the 1983 Model 400, it appears Trek used three sources for their frames or complete bikes.

Several 1984 Trek 460s, 420s and 400s have been reported with 9 digit numeric serial numbers stamped on the lower seat tube instead of on the bottom of the bottom bracket. These frames, or complete bikes, apparently were made in Japan by an outside contractor. The numbers submitted are in the range of 401000000 to 440000000.

An 8 or 9 character alphanumeric code was used for mid- and low-level frames subcontracted in Taiwan. Most of these bikes were labeled "Made in Taiwan". This form of serial number appears to have been used during the period 1987 to 90. The number leads with a T (for Trek?) then a numeral, a letter, then five numerals. Sean Hickey suggested the first numeral is the year of manufacture, and the letter is the month of the year (A - L). This is confirmed by serial numbers that were submitted by other Trek owners.

A later 8 and then 9 character alphanumeric SN scheme, used beginning in about 1989, also begins with a T (for Trek?). These later T numbers were used on lower level subcontracted frames but do not follow the 2nd and 3rd or 3rd and 4th character date meanings above.

Beginning in about 1994, an 8 character alphanumeric code was used for some Trek bikes made in Taiwan. It begins with G and another letter (e.g. GQ, GR, GS, GV and GZ). These are followed either by: 6 numerals, or a number, a letter, followed by four numerals. The first numeral in the SN is likely the year of serialization.

MID 90s 3-PART SERIAL NUMBERS

During the mid to late 1990s, Trek used a three-part serial number and information code system on the bottom of bottom bracket shells. This scheme seems to have been used for bikes manufactured overseas and perhaps for bikes made in the USA by Trek. The scheme of the numbers varied, perhaps as a function of the actual foreign manufacturer. Examples are given below:

14 066 71 990 18 31 9406

The first line is the actual serial number. The information on the left lower line is model number (990) and frame size (18 inches). On the right lower line the meaning of the 31 is unknown. The 94 is the manufacturing year (1994) and the month (06 or June)

WTU 2054748N 750 17 B10407

The upper line is the serial number. The left lower line is model (750) and frame size (17 inches). The meaning of the B1 is unknown. This is from a 97 model bike, so likely the 7 is the year.

For a 15" women's 1999 model 720, the numbers are:

T B1 0407 WTUD01330R A0199

Here the model number and frame size are absent. The center number is the actual serial number. The 99 is the year, and the 01 may indicate January.

For a 18" 1997 Model 8000 mountain bike:

WTU 1981461 M B1 0406 8000 18

The top line is the serial number. Interestingly, the 1981461 is probably within the realm of 1997 in Table II above. The 8000 and 18 are model and size in inches. The 0406 may not be a date code, since it does not corrspond with what I believe is the year of the bike.

If you have a serial number of this form, please send it along with information about your bike. Thanks to Arnold O' Sioléir, Wayne Snyder, Christine Flynn, and bidaci for the info above.

MODERN WTU NUMBERS

Trek has used the WTU designation in their serial numbers from the mid-90s to today. Trek has used these numbers not only for Trek bikes but also for their Klein, Gary Fischer and Lemond brand bikes.

In a Safety Recall Notice dated 1 May 2009 , Trek describes some features of 2009 serial numbers. It states "The first three digits after “WTU” represent the sequential date; the number of days from the beginning of the year. The letter at the end of the serial number represents the model year." The notice states that a final leter D indicates 2009.

For the serial number WTU301D86571D, the framewas made on the 301st day of the year. The final D indicates the bike was made for the 2009 model year. Extending backwards from 2009 one gets the following last character meanings.

Trek 2002 4300 had no final letter in SN

JAZZ BY TREK

Jazz is a line of foreign-built, entry-level bicycles that Trek sold in the early 90s. (See the history page for a bit more info and the brochures page for a 93 catalog). There seems to be at least three serial number types:

• A Flipside model had the serial number JT0116 stamped on the bottom bracket shell. The JT probably stands for "Jazz" and "Trek". The numbers may be the sequential frame number, beginning at 0001.
• The second type is a 10-character serial number. The first two characters are letters which are followed by eight numbers. Examples are JT09010099 and FI08003231.
• A Latitude model has a 10-digit, all-numeric serial number: 1230707859. This number also was stamped on the bottom of the bottom bracket shell.

These three serial number forms may mean that Trek used at least three subcontractors for the Jazz line.

MISSING SERIAL NUMBERS

A few owners of early Treks, mostly, from 1976 through the early 80s, report their frames are not marked with serial numbers. A past Trek employee wrote that the police in the Madison and the surrounding area said TREK was famous for bikes with no serial numbers. Seems hundreds didn't get any numbers at all. The serial number guy just missed a few?

Three other possibilities: 1. In the early years Trek allowed, and even encouraged, their workers to use company equipment and materials to build personal frames after hours. These frames often were not serialized. The practice stopped after production was increased, resulting in little available down time for the equipment. 2. The serial number on a repainted frame that was not first stripped, may disappear under the new paint. 3. The number is under the plastic cable guide attached to the bottom of the bottom bracket shell.

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2013 Fox Evolution Fork Recall

• 2013 fox evolution fork recall
• 2012 sr suntour support tube fork recall
• 2012 FX and district recall
• 2009 Trek 7300, 7300 wsd, and 7500 fork recall
• 2008 Trek girls' mt220 bicycle recall
• 2006 Trek anthem c elite recall
• 2001 chariot child carrier retrofit
• 2000 Rock Shox suspension fork recall
• 2000 manitou fork recall
• 2000 icon stem recall
• 1998 sachs chain recall
• 1996 klein stem recall (model year: 1994-1995 quantum pro)
• 1994 kss bottom bracket recall
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