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• Marlin 5 Gen 2

Trek Marlin 5 Gen 2

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Will my bike have a curved top tube?

Smaller frames (XXS-S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Due to supply-chain issues, Specs are subject to change without notice.

* Subject to change without notice.

Part Numbers

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• Marlin 5 Gen 2

Trek Marlin 5 Gen 2 - 2023

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Will my bike have a curved top tube?

Smaller frames (XXS-S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Due to supply-chain issues, Specs are subject to change without notice.

* Subject to change without notice.

Part Numbers

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Review of Trek Marlin 5 Gen 2

Trek Marlin 5 Gen 2 is an entry-level trail bike ideally suited for beginners and recreational riders who need a dependable hardtail to hit the trails or use for a daily commute.

It features Shimano Altus 2×8 components, hydraulic disc brakes, an 80-100mm travel fork, and comes in four stunning paint jobs. 

The Marlin 5 has been one of the best-selling mountain bikes in this price range for a good reason, and we expect the Gen 2 version to follow in its steps.

• Hydraulic disc brakes
• 100 mm of front travel
• Progressive wheel sizing
• Heavy coil fork

Trek Marlin 5 Gen 2 Full List of Specs

Trek marlin 5 gen 2 full review.

If you’re considering buying your first mountain bike or treating yourself to a brand-new bicycle you’ll use as an everyday workhorse and commuter; the Marlin 5 Gen 2 is a solid choice.

The Trek Marlin 5 is an entry-level trail bike that has a lot to offer to trail lovers. If you want to figure out whether this bike is right for you, check out our detailed review below!

Quality Frame and Fork

The base of the Trek Marlin 5 Gen 2 is the brand’s Alpha Silver aluminum frame with a sleek design and stable geometry, suitable for various rider needs. This frame features internal cable routing that protects your cables from the elements and adds to the bike’s clean look.

Marlin 5’s frame is available in eight sizes , so you’re guaranteed to find the perfect one for your height. The SR Suntour fork is basic but provides 100 mm (or 80mm on the XS) of travel to take the sting off light trails. This fork has a coil spring which makes it a bit heavy, but it comes with a preload function, which is a nice plus.

Precise Hydraulic Disc Brakes

The star of the show on the Trek Marlin 5 Gen 2 is its Tektro hydraulic disc brakes . We are always pleasantly surprised to see them on bikes below $1,000, as hydraulic discs are a rare find in this price range.

Thanks to these hydraulic disc brakes, the Trek Marlin 5 Gen 2 is a bike that performs well in all weather conditions.

Compared to all other types, hydraulic brakes output the most power and provide the most precision. Trek has even gone so far as to install short-reach levers on the smallest frames.

2.20″ Tires and Progressive Wheel Sizing

Depending on how tall you are and which frame size end up going for, your Trek Marlin 5 will come with either 26″, 27.5″, or 29″ wheels .

The XXS frame has 26″ wheels, the XS and S frames come with 27.5″ wheels, and all other sizes are 29ers. Progressive wheel sizing and a curved top tube on the smaller frames decrease the standover height of the bike and ensure a much better fit for all rider heights.

The rims on all sizes are Bontrager Connection. They’re double-walled and have 32 spokes, which means they’ll take plenty of abuse. The Bontrager XR2 2.2″ tires are not tubeless, but they will give you plenty of grip on the three different wheel diameters. The 27.5″ wheels have extra clearance for 2.4″ tires. 

Shimano Drivetrain

Another positive aspect of the Trek Marlin 5 Gen 2 is that the entire drivetrain comprises Shimano parts. Sure, they are entry-level quality, but they offer more than enough performance and precision for the average beginner trail rider.

The Marlin 5 Gen 2 has 16 gears on a 2×8-speed drivetrain and comes with a complete Shimano Altus M315 drivetrain , which is one quality class higher than Tourney. This compares to the previous model’s more complex and heavier 3×7-speed drivetrain. 

The crankset is 36/22t with 160mm cranks on the XXS and 170mm on the other sizes. This crankset pairs with a 12-32t cassette. 

Dependable Bontrager Parts

Bontrager is Trek’s in-house brand that makes numerous parts and accessories. The Bontrager label on Trek Marlin 5 Gen 2 can be seen on the saddle, seat post, handlebar, grips, and stem.

Trek makes all of these parts specifically for their bikes, which means they are 100% compatible and perform for a long time without any issues. However, one of this bike’s downsides is that the headset is not tapered , so you might have a harder time upgrading the fork if you ever decide to do that.

Trek Marlin 5 Gen 2 Sizing Chart

• XXS — 4’5″ – 4’9″ / 135 – 145 cm
• XS — 4’9″ – 5’1″ / 145 – 155 cm
• S —  5’1″ – 5’5″ / 155 – 165 cm
• M —  5’5″ – 5’8″ / 165 – 173 cm
• M/L — 5’8″ – 5’11” / 173 – 180 cm
• L —  5’11” – 6’2″ / 180 – 188 cm
• XL —  6’2″ – 6’5″ / 188 – 195 cm
• 2XL — 6’5″ – 6’8″ / 195 – 203 cm

Who Is Trek Marlin 5 Gen 2 Best Suited For?

Like any other bicycle, the Trek Marlin 5 will not be a good buy for everyone. It is an entry-level machine mainly intended for beginner riders and those who do not take cycling too seriously.

Trek Marlin 5 Gen 2 should be shortlisted by beginner riders who are looking for their first mountain bike to commute or explore the dirt roads in their area.

If riding a bike is a weekend activity or a mode of transportation for you, then Marlin 5 will meet and exceed your expectations. You’ll be able to cover thousands of miles on it without any upgrades and explore farther than before.

However, if your idea of cycling is to hit trails as hard as possible and test your skills and limits, then you should save a bit more money and invest in a bike with slightly better components.

Is Marlin 5 Gen 2 a Good Buy?

The value for money you get out of this bike leads us to conclude that the Trek Marlin 5 Gen 2 is an excellent buy . For around $700, you get a high-grade aluminum frame that’s light, rigid, and durable (it’s even found on some  more expensive Trek bikes).

The drivetrain is entry-level, but the brakes are powered by hydraulics which is the best setup you can get right now.

For this amount of money, it’s a bargain. Therefore, if you’re the type of rider we’ve described, the Marlin 5 Gen 2 is a purchase that will put a long-lasting smile on your face if you go forward with it.

Buy from Trek Bikes

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About the Author

Sam Millers

6 thoughts on “ review of trek marlin 5 gen 2 ”.

Thank you BIKEXCHANGE for helping me to make up my mind in purchasing the Marlin 5!

You’re welcome, Gwen! We’re happy we could help! Have fun with your new bike!

Great review. One question .. is this the old 5 or new 5 model? The new Marlin 5 design as I understand it being the old 5 plus aspects of Marlin 6 bike & otherwise that’s led to discontinuance of the Marlin 6 and only selling a Marlin 5 & 7 model going forward?

Much appreciated!

I am still riding my 2017 Marlin 6 its been too Hell and back. I live in the woods near Downtown Nashville 32 Thousand miles all pavement. riding in Hurricanes and Polor Vortex. Just got new breaks and Maxxis Hook Worm tires.I do circules around Gravel bikes.

Thinking about buying one of these and as an entry level rider seems like the best choice.

thanks for the review! it has made my mind up

The trek marlin 5 is a great bike. Bought for my wife, i sneak in rides. It isnt too heavy, the bigger 29″ tires are fun to feel a little bit higher off the ground. The braking system is fantastic and was a selling point for me.

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• Marlin 5 Gen 2

Trek Marlin 5 Gen 2

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Will my bike have a curved top tube?

Smaller frames (XXS-S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Due to supply-chain issues, Specs are subject to change without notice.

* Subject to change without notice.

Part Numbers

• Crosscountry
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2023 Trek Marlin 5 Gen 2

A 27.5″ / 26″ / 29″ aluminum frame hardtail crosscountry bike with modest components. Compare the full range

Mentioned in Which Trek Marlin is Best for You?

Manufacturer Price

Marlin 5 Gen 2

In Stock: XXS, XS, MD/LG, LG, XL, & XXL

Marlin 5 Gen 2 - 2023, Medium

In Stock: MD

Marlin 5 Gen 2 - 2023, X-Small

In Stock: XS

For This Bike

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Based on frame geometry and build specs.

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

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Compare the full Marlin model range

4'8" – 5'2"

5'0" – 5'6"

5'4" – 5'10"

5'8" – 5'11"

5'9" – 6'3"

6'1" – 6'6"

6'4" – 6'8"

• 6'3", size XL, Just right

Not only is the Trek Marlin one of the most searched bikes on our website, it's also Trek's best selling mountain bike! And for good ...

Watch Review

Apr 2024 · James Huang

Trek’s entry-level aluminum hardtail mountain bike.

Fantastic frame geometry

Excellent shifting

Looks great

Generous tire clearance

Easy-to-live-with semi-internal routing

Sort of a rear thru-axle.

Mega-heavy fork with minimal adjustability

Tubeless costs extra

Limited upgrade potential.

Read Review

Riders can expect updated geometry, a new frame, increased tire clearance and a rear axle system that "enhances stability," Trek said.

Feb 2023 · Oscar Huckle

Can the Marlin compete with the bigger players?

Lots of frame sizes

Excellent tyre choice

Dropper seatpost

Upgrade potential

Roomier seated position would be preferred

Quick-release rather than thru-axle

Rattly internal cable routing

Last updated May 11

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• Marlin 5 Gen 2

Trek Marlin 5 Gen 2

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Will my bike have a curved top tube?

Smaller frames (XXS-S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Due to supply-chain issues, Specs are subject to change without notice.

* Subject to change without notice.

Part Numbers

Review Of Trek Marlin 5: Budget-Friendly MTB for Beginners

T rek Marlin 5 is a phenomenal, trail-ready 29er that costs little and gets the job done on different types of surfaces, including paved and unpaved roads.

Beginner riders are often faced with a tough dilemma — purchase a versatile and comfortable city bike to commute or a real MTB to have fun and embark on off-road adventures.

With Trek Marlin 5 Gen 2 , you can do both. This 29er has the ruggedness of a true trail-blazer but has the ability to double as an everyday workhorse to take on short urban commutes.

One of Marlin 5’s biggest advantages is the low price. This bike costs just $720 , which puts it in the budget category. Still, there’s a lot to be excited about even with such an attractive price.

Trek Marlin 5 Quick Overview

Marlin 5 main features, is trek marlin 5 the right choice for you, verdict: worth the money (or not), trek marlin 5 (2022).

Marlin 5 is characterized by an excellent off-road-ready aluminum frame, cushy front suspension, burly wheels and tires, hydraulic disc brakes and a lot more.

It’s one of the best-valued models from the Marlin series, offering multiple improvements compared to the lower-priced Marlin 4. Some of these are better brakes, better hubs, and a better bottom bracket.

It’s an entry-level bicycle, most suitable for beginner riders who plan to do a little bit of everything and too much of nothing.

• Frame : Alpha Silver Aluminum
• Fork: SR Suntour XCT 30, 100 mm
• Front Derailleur: Shimano Altus M315
• Rear Derailleur: Shimano Altus M310
• Brakes: Tektro hydraulic disc, 160/160mm rotors
• Rims: Bontrager Connection, double-wall
• Tire Size: 27.5″ / 29″ x 2.20″
• Weight: 13.97 kg / 30.81 lbs

See All Specs on Marlin 5 Product Page

If you have a budget of $740 to spend on your next trail bike, Marlin 5 is pretty much the most you can get in this category.

Trek is known for bikes that have good value to money, so this Marlin series model has some worthy components and does not make too many compromises.

Lightweight Alpha Silver Aluminum Frame

Trek Marlin 5 has the same Alpha Silver Aluminum frame seen on all bikes from this lineup. It is characterized by a versatile head tube angle of 69.5 degrees. That’s a good compromise between steep and slack geometry. That means this bike will perform well in most conditions, including climbing, descending, and cornering.

Light, durable, and comfortable Alpha Silver Aluminum frame is Marlin 5’s biggest selling point, seen on other more expensive bikes from Trek’s MTB lineup.

All cables are internally routed which makes them last longer and improves the overall appearance of the bike. Riders can add a rear rack and a rear kickstand, which would make Marlin 5 ready for daily commutes as well.

You can get Marlin 5 in four modern and attractive colors: Lithium Grey, Radioactive Red, Volt to Miami green fade, and Azure. They’re beautiful!

Springy SR Suntour Fork

Marlin 5 is equipped with a low-ranked SR Suntour XCT 30 fork with a coil spring. This fork is quite heavy but beginner riders without too much off-road experience will like it because it provides plenty of comfort.

When it comes to adjustability, just the preload function is available, so you can dial the fork to your liking and ensure a more comfortable ride and better responsiveness.

It’s important to note that the XS frame size comes with 80 mm of travel, whereas all other frame sizes have 100 mm of travel in the fork.

Best Feature: Hydraulic Disc Brakes

The feature that will make all Marlin 5 owners happy is the hydraulic disc brakes . This is the biggest improvement compared to the cheaper Marlin 4 which comes with mechanical disc brakes.

Hydraulic disc brakes present a major increase in stopping power and precision . They require less strength input from your fingers but offer more braking power output.

Trek has gone a step further and equipped the smaller frame sizes with short-reach brake levers to accommodate short riders with smaller hands.

Delicate Shimano Derailleurs

The main points of improvement on Trek Marlin 5 are its derailleurs. Compared to the previous releases, Marlin 5 has Shimano Altus components

Depending on how you take care of them, they might last you for years and miles to come. However, if you’re not careful and you shift under tension or you fall off your bike and smash them, they might give you some headaches.

Still, that’s not something an average rider planning to take Marlin 5 out on weekend adventures and weekday commutes should worry about. Plus, updating to higher-value Altus, Acera, or Alivio groupsets is not a big investment.

Beefy Bontrager Wheels and Tires

Last but not least, the beefy Bontrager wheels and tires are some of the first things you will notice on your Marlin 5. The 13.5″ and 15.5″ sized frames come with 27.5″ wheels, whereas all larger frames come with 29″ wheels.

The wheels are Bontrager Connection. They have 32 spokes, so they are quite strong, and they’re double-walled which means they can withstand some beating.

The Bontrager XR2 tires are 2.20″ wide on 27.5″ wheels. However, when it comes to 29″ wheels, the rear is narrower at 2.0″.

These wheels and tires are a bit heavier than ideal , but once you get them going, they’ll take you wherever you direct the handlebars.

Geometry & Sizing Table

We especially like it because it’s good at more than one thing.

Trek Marlin 5 is not strictly a trail-specific bike that would feel sluggish in all other settings. It’s equally efficient on both paved roads and dirt roads.

However, its wide tires, massive wheels, and capable hydraulic disc brakes still make it more suitable for riders who plan to spend more time in forests and on mountains than on smooth city streets.

Other Marlin Models

• Marlin 4 – MSRP $630 – Has a lightweight aluminum frame, 21 gears, 100 mm of front suspension, and strong mechanical disc brakes.
• Marlin 5 – MSRP $740 – Combines a light aluminum frame, plush SR Suntour suspension, entry-level Shimano drivetrain, and powerful hydraulic disc brakes in a good-looking trail package. Men and women-specific models available.
• Marlin 6 – MSRP $850 – This model is built with an Alpha Silver Aluminum frame, a 1×10 mid-range Shimano drivetrain, burly tires, and comes with 100 mm of front suspension travel with lockout. It’s available in men’s and women’s versions.
• Marlin 7 – MSRP $1,030 – Trek’s race-worthy model with an Alloy frame, superior RockShox front suspension, quality 1×10 drivetrain, Shimano components, and improved Shimano hydraulic disc brakes.

To the right buyer, Trek Marlin 5 is definitely worth the money . This is a lot of bike for just $740, specifically when it comes to the components. The hydraulic disc brakes increase the value of the bike, as well as the high-quality aluminum frame.

However, if you value every cent and you don’t intend to tackle steep hills or ride in wet weather, you can save and get Trek Marlin 4 with mechanical disc brakes and slightly lower-ranked hubs and bottom bracket.

Get Directly From TrekBikes.com

Or see best Trek bikes

• Alpha Silver Aluminum frame
• Powerful hydraulic disc brakes
• Good price-to-value ratio
• Attractive colors

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30 thoughts on “ review of trek marlin 5: budget-friendly mtb for beginners ”.

My wife and I just bought 2 29 inch Lithium Gray Marlin 5 Gen 2 bikes. So far so good other than a flat tire I experienced but that’s not Treks fault by any means. We like the weight and the smooth ride it has.

Trek 5 is my 1st Mountain Bike I have been riding it 3x a week Doing some hard bush trails. It really seems to handle all trails well. No one knows that my bike isnt really expensive . They all say “love your bike ” I just love my bike but will upgrade to a better Trek when I have obtained more skills. Thanks Natalie

Hi Natalie, Well as they say, a Trek is a Trek. The brand itself speaks for itself. It also depends on the kind of ride you do.

lol “my son doesn’t abuse his bike he just broke all of the most easily abused parts of it”

Hi Boknows, Sounds like a future athlete there 😉

Very helpfull!!! , thanks dude!

I am 15 and got my trek Marlin 5 a couple years ago. I have ridden some insane tracks on it and haven’t really had any issues. The only thing I’ve broken so far is the derailer hanger but apart from that nothing. I use it for riding on streets, dirt roads and mountain bike tracks of different difficulties including black diamond tracks. It is still working great and I would think of it as a good bike. I found that the seat post was originally at my good pedaling height when I got it at its lowest point but have now upgraded that to dropper.

Hi Jayden, Have you tried getting a regular maintenance check with your local bike shop? Regular maintenance check can help prolong the life of a bike 😉

I bought a 29″ blue Marlin 5 for my son’s 14th birthday 16 months ago and initially I really liked it. But, it’s been a flaming pile of broken parts since then. My son doesn’t abuse this bike (no downhill or big jumps) and mainly rides a few miles into town and occasional wheelies. Since new here’s the things that have broken on it: rear shifter cable, rear axle, right pedal stripped out of crank arm, left pedal stripped out of crank arm, rear axle again, right pedal stripped out of crank arm again and the chain broke (which pulled the rear rerailer into the spokes and ruined it). Our closest Trek dealer is an hour away so running to the bike store is a real issue but they have been pretty good about helping me out. I’m a metal fabricator and part time motocross bike mechanic so I have a good background in metals and how they should operate. I honestly feel Trek has build a cheap bicycle with metal parts using allows that aren’t appropriate and as thin as materials as possible to save weight at the cost of reliability. I just called Trek directly and we’ll see where that goes.

Hi Dough, Sorry to hear about your experience. It looks like your drivetrain and the whole groupset have issues. Usually these are the most abused parts of the bike and an upgrade to better parts will do better. However I am curious as to what they will tell you. Let me know about it. Cheers!

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• Marlin 5 Gen 2

Trek Marlin 5 Gen 2

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Will my bike have a curved top tube?

Smaller frames (XXS-S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Due to supply-chain issues, Specs are subject to change without notice.

* Subject to change without notice.

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Trek Marlin 5 Gen 2

£ 399.00 – £ 550.00

Description

Additional information.

Marlin 5 is a trail-worthy daily rider that’s perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2×8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.

You’re new to the trail and you’re looking for a real mountain bike that doubles as a commuter – and you want it all at an exceptional value.

A lightweight aluminium frame with internal routing to protect your cables and add to the bike’s sleek look, 2×8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes and a terrain-smoothing suspension fork with a lockout.

The Marlin 5 is a great ride for all your adventures. But it’s also versatile, and Marlin 5 is a popular ride on college campuses because the rack and kickstand mounts make it easy to accessorise and haul a load. – It’s a real mountain bike that’s also perfectly suited to daily commutes, rides around campus or just getting from A to B on any surface – Smaller frame sizes (XXS, XS and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently – The Marlin models in XXS to S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount – Rack and kickstand mounts make it easy to accessorise, so your mountain bike can double as a rugged commuter – Like every Trek, it’s backed by a lifetime warranty

Will my bike have a curved top tube? Smaller frames have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frame sizes have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Fit for every rider Marlin comes in seven frame sizes to suit riders of any height, and Smart Wheel Size ensures you’re on the fastest wheel that fits. The smallest sizes even come with short-reach brake levers and narrower handlebars that give smaller riders better comfort and control.

High tech, high value Marlin looks and feels great. It’s packed with features usually found only on more expensive bikes, like a stylish frame with internal shift cable and brake hose routing, which can help your cables last longer by protecting them from the elements.

CAN'T SEE YOUR SIZE OR COLOUR?   New bikes are arriving daily, so call us on 0121 745 2618 to secure yours.

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Trek Marlin 5 Gen 3

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Size / 13.5"", 14.5", 15.5", 17.5", 18.5", 19.5", 21.5", 23"

At a glance

Where to buy.

Specifications

• Frame Size: XXS, XS, Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew; Size: S, M, ML, L, XL, XXL, Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew
• Fork Size: XXS, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 26'' wheel, 100 mm QR, 100 mm travel; Size: XXS, SR Suntour XCM 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel, 26"" wheel; Size: XS, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel; Size: S, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel; Size: M, ML, L, XL, XXL, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel
• Hubs Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
• Wheels Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
• Wheel Size 29" 27.5"
• Tires Size: XXS, Bontrager XT3 Comp, wire bead, 30 tpi, 26x2.35""; Size: XS, S, Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40"; Size: M, ML, L, XL, XXL, Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40"
• Chain Shimano LG500
• Crank Size: XXS, XS, Prowheel C10Y-NW, 30T steel narrow-wide ring, 160 mm length; Size: S, M, ML, L, XL, XXL, Prowheel C10Y-NW, 30T steel narrow-wide ring, 170 mm length
• Rear Derailleur Shimano CUES U4000
• Shifters Shimano U4000, 9-speed
• Brakeset Size: XXS, XS, S, Tektro HD-M276 hydraulic disc, short reach; Size: M, ML, L, XL, XXL, Tektro HD-M275 hydraulic disc
• Handlebar Size: XXS, XS, Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width; Size: S, Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width; Size: M, ML, L, XL, XXL, Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
• Seatpost Size: XXS, Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length; Size: XS, S, M, Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length; Size: ML, L, XL, XXL, Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
• Stem Size: XXS, XS, S, Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 35 mm length; Size: M, ML, L, Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 50 mm length; Size: XL, Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length; Size: XXL, Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length
• Grips Bontrager XR Trail Comp, nylon lock-on

Q: How much is a 2024 Trek Marlin 5 Gen 3?

A 2024 Trek Marlin 5 Gen 3 is typically priced around €649 EUR when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2024 Trek Marlin 5 Gen 3?

The 2024 Trek Marlin 5 Gen 3 may be purchased directly from Trek .

Q: What size wheels does the 2024 Trek Marlin 5 Gen 3 have?

The 2024 Trek Marlin 5 Gen 3 has 29" and 27.5" wheels.

Q: What size 2024 Trek Marlin 5 Gen 3 should I get?

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