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Trek Domane AL 2 review

In these days of ever-increasing bike prices, Trek’s entry-level Domane is still refreshingly affordable

Dave Caudery / Our Media

Simon Withers

Great handling; excellent component specification; willing ride

The handlebar can transmit vibration at high tyre pressures on rough stuff

The class-leading Domane has always been the wild child in Trek’s triumvirate of road bikes whose names are all anagrams of each other. Shortlisted for our 2022 Budget Bike of the Year award , the AL 2 offers impressive handling and spec at an entry-level price.

Forever searching for alternate lines, not phased by rough surfaces, and with the ability to conquer almost anything, the Domane was one of the first really effective endurance bikes .

Far from the World Tour’s Paris-Roubaix winning rigs, this Domane AL 2 promises elements of those bikes’ performance at a very realistic price. Is it just marketing, or does it really work?

Trek Domane AL 2 specifications

trek domane al 2 disc max tire size

The Domane AL 2’s frame is built from Trek’s 100 Series aluminium tubes, which include some hydroformed profiles. It’s Trek’s lowest grade of aluminium tube, as you’d expect on an entry-level road bike , but shows obvious design care, and is welded neatly throughout.

The IsoSpeed carbon fork is designed to absorb a lot of road vibration up front, with a 27.2mm alloy seatpost and well-padded saddle at the rear.

To keep costs low, Trek fitted Shimano’s 8-speed Claris groupset, although the double chainset is substituted with a non-series RS200 item, and the brakes with some unbranded Lee Chi alloy dual-pivot calipers. The alloy handlebar and stem are from Bontrager, as are the TLR wheels and tyres.

Trek Domane AL 2 geometry

trek domane al 2 disc max tire size

The Domane follows the evolved geometry trend for endurance bikes, which is that of slightly relaxed race machines.

The head angle on my 54cm example is 71.3 degrees, with a 73.7-degree seat angle. Head tube length is kept to a sporty 16cm, while the effective top tube length is 54.2cm.

The chainstays are 42cm, the wheelbase 101cm, and bottom-bracket drop is a stability-inducing 8cm, which all suggests that the Domane AL 2 has the essential qualities to calm stormy tarmac.

Trek Domane AL 2 ride impressions

trek domane al 2 disc max tire size

An endurance bike is intended for all road types, although predominantly tarmac. With countless miles of roads and lanes to hand, where smooth surfaces were definitely the exception, I aimed the Domane at many of my tried-and-tested training routes.

I inflated the 25mm tyres to 75-80psi, which usually works well for my 78kg, and took in every sort of climb, slog and drag I could, as well as plenty of technical corners.

Trek has designed the Domane to fit most riders, whether they prefer to get long and low, or ride in a more commanding position. Since testing the very first Domane to arrive in the UK, I’ve always found them to be an ideal fit, straight out of the box. So it proved here, with all positional options easily achievable.

Unlike its loftier brethren, and particularly the carbon Domane range , the Domane AL 2 can only count on an IsoSpeed fork to help quell roughness.

The aluminium frame, although nicely constructed, has no elements that are designed to offer any IsoSpeed-like benefits. Instead, the rear of the bike relies on the classic 27.2mm alloy seatpost and a very plush saddle. The air volume of the 25mm tyres, which measure 27.5mm wide, helps further.

Up front, Bontrager’s alloy Comp VR-C handlebar and Elite stem are fairly standard fare, with a tough black finish and rounded drops.

The head tube mimics the shaping of the carbon Domane, and is satisfyingly, organically chunky.

All of the cables are routed externally, running beneath the down tube, and the rear brake cable angles pleasingly across beneath the flattened top tube from right to left, which gives it an ideal route from the left brake lever.

trek domane al 2 disc max tire size

Casting an eye over the AL 2 exposes the groupset shortcuts, which help keep costs down.

The non-series RS200 chainset is pretty basic, and spins on a UN300 cartridge bottom bracket, with square tapered axle ends.

These are simple fit-and-forget items that can provide decent service, but their bearings are well inside the bottom bracket shell, and this narrow arrangement makes them prone to lateral play sooner than bottom brackets with more widely spaced bearings positioned on each side of the shell.

The Domane’s plain black dual-pivot rim brake calipers aren’t named on Trek’s component spec, but a check of the spare parts list shows them to be Lee Chi items.

From the lever, their action feels quite lively, but whatever Trek has used for the brake pads seems to be allergic to alloy rims, as they have no bite, just a very wooden feel with no pad compression or the ability to increase pressure and stop faster.

I didn’t get the chance to ride them in the wet, but I doubt that would improve their performance. Swapping the brakes would have been very easy and inexpensive, and it’s a shame Trek didn’t do exactly that.

In the very comfortable saddle, the Domane AL 2 showcases its bump-smoothing ability. Like oil calming a rough sea, it glides along, seemingly rolling across the surface.

trek domane al 2 disc max tire size

If I was riding on 32mm or larger tyres at lower pressures, it would be easier to understand, but these are 25mm at normal road pressure. The higher-specced carbon Domanes amplify this effect much further, but finding this ride quality on an entry-level machine is impressive.

Anyone expecting a choppy ride on a budget aluminium frame will be blown away by the Domane AL 2.

Where the tarmac’s top surface coating has worn away, leaving uneven patches, or when it looks more washboard than A-road, the Domane rounds off the sharpness of the expected impact, keeping everything well under control.

The Shimano Claris levers have a very familiar feel, and are about as comfortable as most Shimano levers. Their shifting, across an eight-speed cassette, has less finesse than Shimano’s 10, 11 and 12-speed groupsets, but is still quite swift.

One downside of only having eight sprockets is larger jumps between some gears, which is inevitable with their 11-32 range. The front shifting performance is acceptable – it mainly does the job reliably, but occasionally needs a little coaxing not to get stuck mid-shift.

The gearing range is ideal for the Domane’s expected use, with a 50/34 compact chainset mated to that 11-32 cassette. Almost 1:1 low gearing on a reasonably swift road bike is quite generous, and 50x11 is big enough for most scenarios.

That relaxing ride quality translates to handling fun. It gives great confidence when cornering, descending and changing line to avoid obstructions. The Domane feels utterly stable, encouraging you to push a little harder, and the Bontrager tyres grip very well.

With a helpful breeze and friendly gradient, the Trek can really fly, but when the tables are turned, the Bontrager TLR wheelset shows its limitations.

On short drags, where I’m usually able to carry speed, until needing to stand up and power over the top, I found my approach speed was slower, and I’d have to change at least one gear before slogging over the crest.

They’re solid wheels that can be converted to tubeless for some puncture protection, but trying to muster a town sign sprint requires far more power than it should, and the resultant speed is underwhelming.

With mounts for full mudguards and a rear rack, this Domane could make an ideal winter bike or quick commuter , and there’s enough room for at least a 28mm tyre without mudguards.

Trek Domane AL 2 bottom line

trek domane al 2 disc max tire size

Trek’s Domane AL2 has a lot to offer, especially at this price.

Its tidy frame and vibe-eating fork are a sound basis for a good bike, which overall the Trek is.

The groupset does its job well, but the non-series chainset and narrow cartridge bottom bracket let the side down, with some iffy shifts and axle deflection. And the less said about those rim brakes, the better.

The ride quality from 25mm tyres is impressive, and increasing volume would add comfort and a little grip. Adding speed would require a wheel upgrade , which is quite straightforward, but not essential.

Budget Bike of the Year 2022 | How we tested

Our 2022 Budget Bike of the Year testing was handled by regular BikeRadar contributors Simon Withers and Robin Wilmott – two highly-experienced testers who have reviewed dozens of road and gravel bikes at the budget end of the market over the years.

Testing involved long rides on favourite routes around Bath, as well as laps of rolling hills in Somerset. Unlike our more performance-focused categories, the best road bikes around £1,000 are also more likely to be used for commuting by bike and other errands.

With this in mind, we’ve paid close attention to how easy the bikes are to live with for day-to-day use and how they fare on urban jaunts.

Our 2022 Budget Bike of the Year contenders are:

  • Boardman ADV 8.9
  • Forme Monyash 2
  • Giant Contend 1
  • Trek Domane AL 2
  • Triban RC 500

Thanks to our sponsors HUUB , Lazer , 100% and Garmin for their support in making Bike of the Year happen.

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trek domane al 2 disc max tire size

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trek domane al 2 disc max tire size

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A Review Of My Trek Domane AL 2 Disc

Trek domane al 2 disc road bike review.

  • Final rating

For those who are on a budget and looking to get into road cycling, choosing the Trek Domane AL 2 would be a wise choice as it will offer reliability, comfort as well as speed.

  • Budget friendly
  • comfortable ride
  • needed very little servicing
  • weight limit
  • vibrations on bumpier ground

User Review

Introduction.

I’m back with another cycling-related blog post and this time I’m reviewing my very own road bike, the Trek Domane AL2.

I purchased this bike in early 2020 and have had the pleasure of riding 1000’s of miles on it through some of the most scenic routes in mid-Wales . I wanted to share my experiences of riding this bike with you so you can read an honest review which may help you decide whether this bike could be the one for you.

At the time of purchase, this was the very first road bike I’d ever purchased as I’d been predominantly into off-road riding up to that time, although I did have a hybrid which I used for some road cycling.

The Covid pandemic changed everything in the world of cycling; for the first time ever the roads we clear, the weather was superb and the days were long with plenty of time to get on the open road – what better opportunity to rack up the miles on the road bike, especially with many other sports out of the question due to the rules at the time.

Features of the Trek Domane AL 2

Here are what I consider to be the most important features of the Trek Domane AL 2:

In my experience of owning this bike for a number of years, the components have mostly all been great. Here is a breakdown of what I’ve experienced so far:

Frame: As expected, no issues whatsoever and still to this day after many hours of riding, even through the testing Welsh weather it is still looking great, albeit with a few scratches.

Weight and weight limits: The Trek Domane AL2 feels light compared to all the other bikes I’ve ever ridden and this definitely shows on some of the local climbs.

Brakes: The brakes are still performing brilliantly and offer great reliability in all conditions.

Handlebar tape: This was one aspect that I found slightly disappointing with the bike, after not so much riding I had to change the handlebar tape as it had become loose.

Tyres: Great tyres which have offered solid performance across many roads, steep climbs and fast descents.

Chain and cassette: The Trek Domane AL 2 has offered some of the smoothest shifting I’ve ever experienced and still continues to do so to this day.

Some of the great things I’ve found about the Trek Domane AL 2

So, what have I found to be some of the best features of the Trek Domane AL 2?

Having a predominantly mountain biking background where you are sat in a more upright position, I was worried about the switch to the different posture needed for road cycling.

Whilst it did take some getting used to, the geometry of the Trek Domane AL 2 has offered comfort on rides.

I think the Trek Domane AL 2 was a great purchase for the price I paid for it, and even to this day it is still a fantastic price when you consider the amount of price rises in recent times.

I often like to track value for money against the amount of miles I complete in a year – this year I’ve managed a lower total of around 1200, but that still makes the cost less than £1 a mile!

Reliability

The Trek Domane AL 2 has never let me down. From short rides of under 10 miles to long rides of over 50 miles this bike has always delivered amazing performance and I’ve never had to worry about whether I’ll make it home.

DuoTrap S compatibility

Although I’ve never taken advantage of this feature you are able to connect a Bluetooth speed and cadence sensor to track performance via a compatible device. I had something similar on an old hybrid bike which I used to use for Zwifting and these are a good option if you are looking to track performance.

Low servicing need

After all the miles I’ve completed on this bike I’ve only taken it back to the bike shop for one full service. I think this shows how well the bike is put together and designed to cope with high mileage.

Additional features of the Trek Domane AL 2

There are a couple of additional features on the Trek Domane AL 2 which can be utilised if needed:

  • The bike arrives without pedals as standard giving you the freedom to choose which pedals best suit your style.
  • The Trek is built with long-distance and comfort in mind meaning you can be sure to feel as comfortable at the end of a long ride as you did at the start.
  • There is also options to add additional items such as mud guards and saddle bags.

Current cost of the Trek Domane AL 2 Gen 3

Not that I’m in the market for another road bike at the moment, but the Trek Domane AL 2 Gen 3 is currently priced at around £900, which I think makes it excellent value for money.

You’d be able to pick up an older model or second hand Trek Domane for much less than this, and providing the second hand model is in good condition you can expect hours of cycling enjoyment.

Does it look good?

Take a look at my pictures below and make up your own mind, but I think the model I chose looks fantastic, and I’ve had quite a few compliments over the years on how good it looks. I personally love the colours but I did remove the orange reflectors!

Trek Domaine 2 in Aberystwyth cycle fest

A round up of the pros and cons of the Trek Domane AL 2

bike with a view

  • Budget friendly – a great value bike for anyone, but especially for those looking to get into road cycling
  • A very reliable bike which will enable you to complete many worry-free miles
  • The Trek Domane has good geometry for a comfortable ride.
  • My Trek Domane has been super reliable and has needed very little servicing since new.
  • 125kg weight limit could be problematic if you plan to attach heavy baggage to the bike for touring rides.
  • The rider can feel some vibrations through the handlebars on bumpier ground.
  • Only suitable on road surfaces.

Final rating and conclusion

I’m giving the Trek Domane AL 2 a solid 4.5/5 final rating as this bike has performed solidly for many miles, across a variety of different mid-Wales courses.

For those who are on a budget or looking to get into road cycling, choosing the Trek Domane AL 2 would be a wise choice as it will offer reliability, comfort as well as speed, a bike that is suited to climbing and options for modifying to suit the riders needs.

I haven’t regretted purchasing my Trek Domane AL 2 at all and I’m looking forward to many more miles, once the weather has improved a little bit – in the meantime I’ll head back to Zwift!

mike k

Mike is an experienced road cyclist and mountain biker and splits his time between the two disciplines. In his spare time he can often be found tackling the big hills and mountains of mid-Wales, attempting to beat his previous times

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Endurance mountain bikes

Trek Domane AL 2 Disc

  • AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Size / 44, 49, 52, 54, 56, 58, 61

Weight / 56 - 10.55 kg / 23.26 lbs

At a glance

Where to buy.

Trek Logo

trek domane al 2 disc max tire size

"An astounding and affordable all-roader"

"Its crazily versatile, it can be so many different things which is so cool that it then rides so much like a road bike. I was really blown away."

Specifications

  • Frame 100 Series Alpha Aluminum, tapered head tube, internal routing, fender mounts, DuoTrap S compatible, flat mount disc, 142x12mm thru axle
  • Fork Domane AL carbon, tapered alloy steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle
  • Wheels Size: 49, 52, 54, 56, 58, 61 Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21mm width, presta valve Size: 49, 52, 54, 56, 58, 61 Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21mm width, presta valve
  • Tires Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c
  • Chain Shimano Sora HG71, 8 speed
  • Crank Size: 49, 52, 54 Shimano RS200, 50/34 (compact), 170mm length Size: 56, 58, 61 Shimano RS200, 50/34 (compact), 175mm length
  • Bottom Bracket Shimano UN30, 68mm, threaded cartridge, 110mm spindle
  • Front Derailleur Shimano Claris R2000, 31.8mm clamp
  • Rear Derailleur Shimano Claris R2000, long cage, 34T max cog
  • Shifters Shimano Claris R2000, 8 speed
  • Brakeset Tektro C550 mechanical disc brake, dual piston, flat mount, 160mm rotor
  • Handlebar Size: 49 Size: 52
  • Saddle Size: 49, 52 Size: 54, 56, 58, 61
  • Seatpost Size: 49 Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 250mm length Size: 52, 54, 56, 58, 61 Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length
  • Stem Size: 49 Size: 52, 54
  • Headset FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom

Q: Where to buy a 2022 Trek Domane AL 2 Disc?

The 2022 Trek Domane AL 2 Disc may be purchased directly from Trek .

Q: How much does a 2022 Trek Domane AL 2 Disc weigh?

A 2022 Trek Domane AL 2 Disc weights 56 - 10.55 kg / 23.26 lbs.

Q: What size 2022 Trek Domane AL 2 Disc should I get?

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trek domane al 2 disc max tire size

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.

Domane AL 2

Domane AL 2 Disc

(descending)

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

trek domane al 2 disc max tire size

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Xe-dap-dua-duong-truong-Trek-Domane-AL-2-Disc-Road-Bike

Domane AL 2 Disc

24.900.000 VND

It's right for you if...

You’re just getting into riding, and want an amazing first bike that'll open up the world of road cycling to you. You want one that's versatile, comfortable, affordable and built with disc brakes for all-weather stopping power.

The tech you get

The Shimano drivetrain has 16 speeds, with shifters that are integrated into the brake levers so your hands never have to leave the bars. The wide range of gears makes it easier to ride terrain that varies in elevation. The lightweight aluminium frame has mounts for mudguards and a carbon fork – features that are not typically available in road bikes at this price point. Plus, disc brakes provide better, more reliable braking power than rim brakes in any road conditions.

The final word

Hit the open road on the perfect bike for getting into road riding. Its comfort-first design is fast yet stable, it comes with reliable parts and has disc brakes that perform well in any weather.

trek domane al 2 disc max tire size

1 – A smooth, comfortable, and super fun ride at a price that won’t break the bank

2 – The stable Endurance Geometry delivers comfort and confidence

3 – The unique IsoSpeed Carbon fork, which swoops forward toward the dropouts, absorbs vibrations from the road so your arms won’t fatigue as quickly

4 – DuoTrap S compatibility makes it easy to wirelessly track your rides, so you can set goals and watch yourself reach them

5 – Like every Trek bike, it’s backed by a lifetime warranty and supported by a wide network of retail partners

trek domane al 2 disc max tire size

  • SPECIFICATIONS

trek domane al 2 disc max tire size

100 Series Alpha Aluminum

Trek's high-performance aluminum, with manipulated tube shapes to balance strength and weight savings.

trek domane al 2 disc max tire size

Additional Tire Clearance

Additional tire clearance allows Domane to go where no road bike has gone before. Race, ride, explore.

trek domane al 2 disc max tire size

Endurance Geometry

Performance. Stability. Victory. Trek endurance geometry is a triple threat, maximizing control, handling, and responsiveness through perfectly tuned rider weight bias.

trek domane al 2 disc max tire size

Endurance Fit

As befits the world's most advanced endurance racing bikes, we've developed the world's most stable racing geometry. Still racy, but with a slightly higher head tube for better stability and greater comfort through the entire ride.

trek domane al 2 disc max tire size

Blendr-compatible stem

Bontrager Blendr stem technology lets you clip your gear directly to the stem for clean looks, maximum user friendliness.

trek domane al 2 disc max tire size

IsoSpeed fork

It's a one-two punch: generous ride-tuned sweep and shape increase compliance for a smoother ride, and unique dropout placement optimize the wheelbase.

trek domane al 2 disc max tire size

Fender compatible

Fender mounts allow for full-coverage fenders so you can ride comfortably in less-than-ideal conditions.

trek domane al 2 disc max tire size

Rack mounts

Going for a long ride? Rack mount make carrying accessories a breeze.

More options

Trek Domane AL 3 Disc 2021 road bike Grey

Private: Domane AL 3 Disc

28.500.000 VND

Xe dap gravel Trek Checkpoint ALR 4

Private: Checkpoint ALR 4

41.000.000 VND

SMOOTH, STABLE, SUPER FUN.

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Bike Finder

Results have arrived, specialized roubaix vs. trek domane - tire clearance, tech, & options.

The Specialized Roubaix and the Trek Domane endurance road bikes are the benchmarks for comfort, performance, and tech. It's Future Shock vs. IsoSpeed. Let's learn which is right for you.

trek domane al 2 disc max tire size

Written by: Bruce Lin

Published on: Jun 10, 2022

Posted in: Road

Imagine a road bike that can do it all. You can race, take on gran fondos, jump in fast group rides, and grind out your daily commute. If you're feeling daring, you can venture away from the pavement and explore rough gravel roads. If this is the riding you dream of, an endurance road bike might be just what you need. 

Endurance bikes were originally designed to tackle the cobbled classics, hard one-day pro races on Europe's roughest roads. They have relaxed geometry , upright riding positions, and stable handling, plus more compliance and wider tire clearance to reduce rider fatigue and improve performance on bumpy surfaces. 

The two undisputed kings of the endurance category are the Specialized Roubaix and the Trek Domane . If you're looking for an endurance bike, there's a good chance you're considering one or the other. Maybe that's why you're here! So how do you choose which is right for you? We'll explore the history, technology, features, race results, and even popularity to help you decide.

Specialized vs. Trek: History and tech

  • Future shock vs. IsoSpeed
  • Tire clearance  

On-bike storage

Bottom bracket standards, rim and disc brake options.

  • Women's models

Race results

Final thoughts.

[button] Shop Roubaix [/button] | [button] Shop Domane [/button] | [button] Shop all road bikes [/button]

Roubaix (2004-2007)

The Specialized Roubaix debuted in 2004, and it has come to define the modern endurance bike genre. The Roubaix takes its name from Paris-Roubaix. Known as the "Hell of the North," Paris-Roubaix is a grueling spring classic that includes about 29 rough sectors of cobblestone roads in Northern France. Endurance bikes like the Specialized Roubaix were created to help the world's best riders tame the 'stones.

Robert Hines, the inventor of the Roubaix, felt that the bikes used in Paris-Roubaix were ill-suited for cobbled racing as well as general “real-world” riding. Road racing bikes were stiff with steep angles and super-short chainstays. This made them agile and fast for flying up mountains, but unstable over Roubaix's brutal cobbled sectors. Plus, on these bikes, riders were unable to fit wide tires, making them even harsher. With the Roubaix bike, Hines hoped to improve comfort after many hours in the saddle.

Specialized Roubaix 1

“The endurance position with higher bars and suspension built into the frame launched a whole new category of bike,” he said in an interview with The Pro's Closet in 2019 . “If you’re more comfortable, you’re going to be able to go faster and harder for longer.”

The “suspension” came from Specialized’s Zertz technology. Zertz inserts are elastomers inserted into the fork legs, seat stays, and seatpost that helped dampen vibration and increase comfort. The Roubaix was also capable of fitting larger tires than most road racing bikes (27-30mm), further increasing comfort over rough terrain. Tires of this size have since become the standard for endurance bikes.

The Roubaix has become the most dominant bike at Paris-Roubaix with seven wins to date. Some of the world’s best classics riders, such as Tom Boonen, Fabian Cancellara, and Peter Sagan, have won aboard a Roubaix.

There have now been six generations of the Roubaix. In some cases, previous-generation Roubaix bikes may have continued briefly after the release of a new model in entry-level Sport or Comp trims.

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Roubaix SL2 (2008-2010)

Specialized Roubaix SL2

Roubaix SL3 (2010-2012)

Specialized Roubaix SL3

Roubaix SL4 (2012-2017)

Specialized Roubaix SL4

Roubaix with Future Shock (2017-2019)

Specialzied Roubaix SL5

Roubaix (2020+)

2020 Specialized Roubaix

Trek Domane

Domane (2012-2015)

Trek debuted its Domane in 2012 in the lead-up to the classics. The Specialized Roubaix was already entering its fourth generation and other manufacturers were catching on and producing bikes to compete. Trek worked extensively with world and Olympic champion Fabian Cancellara, one of the greatest classics riders in modern history, to develop the bike.

Before the release of the Domane, Trek’s flagship road bike was the Madone, named for a famed climb in Nice, France. The Domane name is an anagram of Madone, but it also means “the King’s Crown” in Latin. (Trek continued this anagram naming convention with the Emonda road bike.)

Trek Domane Gen 1

The Domane features relaxed endurance geometry similar to the Roubaix but it is offered in two fits — Endurance and Pro Endurance. (These are sometimes referred to as H3 and H1.5 geometry.) Endurance is the most common geometry and most Domanes are Endurance geometry unless otherwise noted.

Trek describes the Endurance geometry as stable but still race-oriented, with a taller headtube for better control, handling, and responsiveness. It’s tuned for the majority of riders, especially those looking to put in the long miles.

The Pro Endurance geometry is designed to meet the demands of riders who prefer an aggressive out-front position but still want predictable handling over rough roads. These Domanes will have shorter head tubes for a lower, more aggressive race position. Pro Endurance models are only offered through Trek’s Project One custom program, and only down to the 54cm frame size. They are very limited in the used marketplace and often only ridden by high-level and professional racers.

Since its introduction, the Domane has experienced race success at the Cobbled classics under Cancellara. It is now in its third generation.

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Second-generation Domane (2016-2019)

Trek Domane Gen 2

Third-generation Domane (2020-2022)

2020 Trek Domane

Future Shock vs. IsoSpeed

Specialized future shock.

The introduction of Future Shock on the 2017 Roubaix was a large departure from the simplicity of Zertz inserts, which are passive damping inserts with no moving parts. Specialized partnered with Formula 1 innovators, McLaren Applied Technologies, to design the new Future Shock. It uses a spring in the head tube that actively suspends the rider with 20mm of vertical travel.

Specialized Future Shock

Specialized chose to use a coil spring system because it can actively absorb the frequencies encountered on the road without adding excessive weight. Springs are also less complex and have less stiction than traditional suspension systems (e.g., an air fork on a mountain bike) and require less force to initiate their travel.

Because the Future Shock is positioned under the stem, rather than between the fork and frame (like a suspension fork on a mountain bike). When the front wheel encounters rough terrain, the entire bike moves up toward your hands rather than the wheel moving toward the frame in isolation. Specialized claims this provides comfort benefits without losing any handling or efficiency. The bike's wheels are held together rigidly by the frame and the wheelbase doesn’t change through the suspension's travel so handling is more predictable that way. 

The damping of the original Future Shock could be adjusted to suit different rider weights, terrain, and stiffness preferences. For the fifth-generation Roubaix, this requires disassembling the system, removing it from the head tube, and swapping the spring. This should be a fairly simple task for most novice mechanics with basic tools. The majority of fifth-generation Roubaixs come standard with the “hard” spring installed. “Medium” and “soft” springs are also available.

Future shock only suspends the front of the bike. At the rear, seatpost flex is the main source of comfort. Increasing the seatpost’s effective length enhances this so Future Shock Roubaixs have a seat clamp located 65mm lower than the top of the seat tube to provide optimal flex. The seat tube opening is flared above that to provide ample room for the post to move.

The Future Shock system is also in use on Specialized’s Diverge all-road bike, Ruby women’s endurance bike, and Sirrus fitness bike.

Note: Specialized issued a recall January 2019 for certain Future Shock headsets. Not all bikes from all model years are affected. Addressing the recall involves replacing the steerer tube collar to improve its resistance to stress corrosion cracking. All Future Shock bikes sold at The Pro’s Closet are inspected for this recall and serviced if needed.

Future Shock 2.0

The 2020 Roubaix introduced Future Shock 2.0 on the high-end of S-Works, Pro, and Expert builds. This adds a hydraulic damper to the system to further improve the suspension characteristics. It still utilizes a small coil spring, but the hydraulic damper improves compression and rebound damping, and it gives the rider an external dial to adjust damping on-the-fly. Turning the dial clockwise closes damping. This makes the Future Shock feel stiffer for sprinting (it does not fully lock-out). Turning it counter-clockwise opens damping to make it feel softer and more active on rough surfaces. There is also a more discrete looking shock boot under the stem.

Future Shock 2.0 tech only comes on the higher-end builds. All other 2020 Roubaixs like the Sport and Comp models come with a simplified Future Shock 1.5 that improves on the original but leaves out the hydraulic damping and external dial. Compared to the original Future Shock, Future Shock 1.5 uses a more progressive main spring, a new top-out spring, and a new bottom-out bumper. Extra booster springs can be added for riders looking to fine-tune the stiffness. Specialized’s official stance on retrofits is that the hydraulically damped Future Shock 2.0 cannot be retrofitted to previous generation Future Shock, or new Future Shock 1.5 Roubaix.

Trek IsoSpeed

This video shows IsoSpeed in action on the second generation Domane SLR:

The goal of Trek’s IsoSpeed is the maintain the stiffness, efficiency, and handling characteristics of a race-ready frame while introducing enough compliance to reduce the jarring and fatiguing effect of rough road surfaces. Trek sought to do this without the addition of a suspension system. 

Trek Isospeed decoupler

With the second-generation Domane, Trek brought the IsoSpeed decoupler to the front of the bike. The decoupler was contained inside a rocker cup at the top of the headset. The steerer tube is joined to the rocker cup by a horizontal shaft and two sealed cartridge bearings, similar to the rear decoupler. This system allowed the steerer tube to flex fore and aft, providing additional compliance at the front of a bike. The rocker cup was designed to have zero lateral movement, allowing the bike to still steer and handle with precision.

The second-generation Domane also introduced a slider on the seat tube for high-end SLR models to adjust the compliance of the rear IsoSpeed decoupler to suit conditions and rider preferences. The slider worked by changing the amount of seat tube that is allowed to flex. Increasing the effective length of the seat tube increases compliance because a longer lever will flex more than a short lever. Moving the slider toward the bottom increases compliance for rough roads while moving it toward the top increases stiffness for race conditions. The less-expensive Domane SL maintained the original IsoSpeed decoupler without the adjustable slider.

Trek brought IsoSpeed technology over to the Boone cyclocross bike in 2014, the Procaliber cross country mountain bike in 2016, and the Madone Aero Road Bike in 2018.

Trek 2020 Domane Isospeed decoupler

For the high-end 2020 Domane SLR, Trek utilizes the Top Tube IsoSpeed design that has been refined on the latest Madone. While the original IsoSpeed decoupler relied on the entire seat tube to flex between a split top tube, Top Tube IsoSpeed splits the seat tube in two. The upper portion of the seat tube forms an L-shaped component. The bottom of this “L” extends forward into the top tube and is braced underneath it. The lower part of the seat tube is fixed in place, but the top L-shaped section is still able to flex fore and aft.

Trek claims that Top Tube IsoSpeed allows for more discrete tuning between frame stiffness and ride comfort than the original IsoSpeed design. Originally, because bigger frames had longer seat tubes, taller riders got a softer ride and shorter riders got a firmer one. (The slider on the second-generation Domane SLR could be used to help combat this.) With the latest IsoSpeed design, the seat tube section braced underneath the top tube controls the stiffness and flex. The length of this component can be varied independently of frame size which allows it to be engineered to provide a softer ride for smaller frame sizes. A new built-in damper inside the seat tube also helps control movement better than the previous design.

On the Domane SLR, the stiffness of Top Tube IsoSpeed is adjustable using a slider hidden underneath the top tube. The Front IsoSpeed design remains the same. Like the previous generation, less expensive Domane SL models will not have the adjustable slider.

Specialized Roubaix vs. Trek Domane: Tire clearance

Most endurance bikes are able to fit larger tires than most road racing bikes. In the last decade, rider preferences and tire trends have been pushing manufacturers to provide more and more tire clearance. Wider tires allow riders to run lower tire pressures to increase comfort. Lower tire pressures and the larger contact patch of a larger tire also provide more versatility for riding rough roads, dirt, and gravel. Early generation Roubaixs and Domanes are generally able to clear tires in the 27-30mm range. Clearance will vary and may depend on several factors such as tire manufacturer, rim width, and brake caliper clearance, so you may need to test fit first.

With the introduction of disc brake models (available on the 2013+ Roubaix and 2015+ Domane), tire clearance grew to 32mm, giving riders even more tire options.

For 2020, tire clearance has again grown for both bikes. The Roubaix is able to fit up to 33mm tires. It will come stock from the factory with 28mm tires.

2020 Trek Domane tire clearance 40mm

[newsletter]

Specialized Swat box vs Trek Hidden Storage

The 2020 Trek Domane is the first to feature Trek’s new Hidden Storage compartment. This is a hollow storage area in the down tube only available on 2020 carbon Domane frames. The down tube bottle cage mount is attached to a removable hatch that’s accessed with a small lever. Attached to that cover is a holder for a multi-tool, and inside the down tube is a nylon tool roll for holding spare tubes and tools. (This functions similarly to the S.W.A.T. box available on some Specialized mountain bikes.)

Bottom brackets are a contentious topic in the cycling world. Consumer attitudes have been pushing many manufacturers to move away from press-fit bottom bracket shells to traditional threaded bottom brackets. If you are particular about what type of bottom bracket your bike uses, you may have to look for specific model years.

The Specialized Roubaix used the common BSA threaded (a.k.a. English) bottom bracket standard until the forth (SL4) generation. From there it transitioned to Specialized’s OSBB bottom bracket standard. OSBB stands for “oversized bottom bracket” and encompasses various press-fit standards from BB30 to PF30 depending on the frame. This has been the standard for Specialized’s high-end models for the 2012-2017 model years. In 2017 Specialized began transitioning the Roubaix and other models back to traditional BSA threaded bottom brackets. For the fifth-generation Roubaix, various models came with either an OSBB and BSA bottom bracket shell. Frames still using OSBB had Praxis Works threaded conversion bottom brackets installed instead of standard press-fit bottom brackets to increase reliability. For 2020, all Roubaix models are now BSA threaded.

The Trek Domane has used Trek’s BB90 press-fit bottom bracket standard since its inception. The new third-generation Domane, however, has been built around the new T47 threaded bottom bracket standard. T47 is a larger version of traditional BSA threaded bottom bracket shell that claims to increase stiffness and crankset compatibility.

If you’re a rim brake connoisseur interested in a Roubaix or Domane, purchasing used or “new old stock” is going to be your only option. Disc brakes have taken over as standard for both bikes because of the increased stopping power and tire clearance.

The Roubaix was available with rim brakes only from 2002 to 2012. The first disc brake model was introduced for the 2013 model year and Specialized offered both rim and disc options until 2017. Rim brake Roubaixs do exist from 2018 but were sold as “pro-only” variants supplied to the Bora-Hansgrohe and Quick-Step Floors race teams. These teams chose to stay on rim brake in 2018 for faster wheel changes in case of tire punctures. These bikes are rare will be very hard to come by.

Trek offered the Domane with rim brakes from 2013 to 2019. The first disc brake version wasn’t introduced until the 2015 model year. From 2020 onward, the new generation Domane will only be available with disc brakes.

Women’s models

Specialized and Trek have both historically offered women’s variants of the Roubaix and the Domane. The women’s Roubaix was called the Ruby. It used different geometry and touchpoints intended to suit the proportions of female riders. Trek offered WSD (Women’s Specific Design) versions of the Domane which also adjusted geometry and touchpoints.

Over the years, data gathered from sales, bike fitters, and testing have shown that many women’s bike fits don’t deviate far from men’s fits. As a result, both Specialized and Trek now offer bikes with identical have now transitioned to unisex geometry for the Roubaix and Domane. The women’s specific Specialized Ruby and Domane WSD are not available after 2019. Women’s specific models will still be offered by Specialized, with only the touchpoints altered. Both bikes are offered in large size ranges to accommodate more riders.

Both the Roubaix and Domane have experienced success at the cobbled classics. This is the type of racing that inspired these designs. Listed below are the winners riding either the Roubaix or Domane at major cobbled races in the last 10 years. Italy's Strade Bianche has also been included because its long gravel sectors are similar to the types of roads recreational endurance riders might seek out.

Paris-Roubaix 2019 | Philippe Gilbert - Roubaix 2018 | Peter Sagan - Roubaix 2014 | Niki Terpstra - Roubaix 2013 | Fabian Cancellara - Domane 2012 | Tom Boonen - Roubaix 2010 | Fabian Cancellara - Roubaix

Tour of Flanders 2014 | Fabian Cancellara - Domane 2013 | Fabian Cancellara - Domane 2012 | Tom Boonen - Roubaix

Gent-Wevelgem 2016 | Peter Sagan - Roubaix 2012 | Tom Boonen - Roubaix

E3 2013 | Fabian Cancellara - Domane 2012 | Tom Boonen - Roubaix

Strade Bianche 2016 | Fabian Cancellara - Domane 2012 | Fabian Cancellara - Domane

Over the last decade, the Roubaix has achieved nine major wins to the Domane’s six. Keep in mind, however, that list only shows wins and does not factor in podiums or any other results to create a more detailed and nuanced picture. For example, in the 2019 Paris-Roubaix, the Specialized Roubaix achieved the amazing feat of having five finish in the top 10.

There are also many cases of pro riders choosing standard race bikes in these classics. Several riders have won Flanders, Gent-Wevelgem, and E3 on the Specialized Tarmac. Bike choice often comes down to personal preference, and many pros may choose ultimate efficiency over comfort. As we all know, pros are fitter and tougher than the average rider, so don't assume you should always have the same gear that they do.

For the average rider, pro racing may have little application to everyday riding. Pros are exceptionally fast and, of course, their physical talents make the biggest difference in results. Note that Cancellara and Boonen feature heavily on this list. They were the kings of the classics and likely could have won on any bike.

Ultimately, this should not be taken as definitive evidence that any bike is superior to another. But professional racing does show how products perform at the absolute limit. This can be powerful for influencing fans and inspiring brand loyalty. It is not uncommon for particular brands to become popular due to successful pro riders, as you will see in the next section.

Because The Pro’s Closet is the world leader in used bikes, we have substantial data about what bikes sell well. I dug into our road sales for the last 12 months and compared how many Roubaix bikes we sold compared to the Domane. The two are our top-selling endurance bikes and also the top-selling bikes of any type from each brand. We have a fairly similar stock of both bikes, and inventory has yet to be depleted, so sales can be fairly compared to determine popularity among our customers.

I also polled riders in our shop to see which bike they preferred between the two. Our employees all love cycling, obsess over bikes, and have access to a huge selection of products. They are knowledgeable and opinionated. We had over 60 respondents to this poll and many explained why they would pick one over the other.

The charts below show the results:

Specialized Roubaix vs Trek Domane Popularity

Individual preference is a huge driver behind which bike a rider prefers. In our shop poll, I asked why people choose one over the other. Below are some of their answers.

Specialized Roubaix

  • I like the paint and looks better.
  • I like the active feel of Future Shock. It’s really game-changing on rough roads. No other bike feels like this. The Adjustability of Future Shock 2.0 is fantastic.
  • It will likely have slightly better resale (see our article about resale ).
  • It has won Paris-Roubaix more than any other bike.
  • Peter Sagan rides one.
  • It’s not a Trek.
  • I like the muted, smooth, efficient feel of IsoSpeed. I don’t want my bike to feel suspended and active like Future Shock. IsoSpeed is simpler and there are fewer moving parts to worry about.
  • The new integrated toolbox is much cleaner looking and better designed.
  • Huge tire clearance.
  • Fabian Cancellara rode it.
  • It’s not a Specialized.

As you can tell from our shop poll, looks and brand loyalty play a large part in buying decisions. Maybe you already have made up your mind, but setting loyalties aside, the matchup between the  Specialized Roubaix  and  Trek Domane  is a tough one to call.

In my estimation, the two tech factors that should play the largest role in your decision are Future Shock vs. IsoSpeed and tire clearance. Future Shock and IsoSpeed have very different feels when riding on the road. The difference can be described as “active” vs. “passive.” Future Shock is noticeable in how it is constantly moving to absorb bumps and imperfections in the road. IsoSpeed sits more in the background, muting vibration. Some riders will prefer one ride feel or tech concept more than the other. Also, note that older Roubaix bikes (pre-2018) using Zertz inserts have a less muted feel than the Domane.

When shopping for road bikes on The Pro’s Closet, there is a handy compare tool that allows you to look at three bikes side-by-side. This allows you to compare things like geometry, weight, component spec, and price. If you have any questions, our expert Ride Guides can help you find your next endurance bike.

If you want to fit larger than 33mm tires for riding dirt and gravel, the Domane is the obvious choice. For me, personally, that is the one factor that tips the scale in the Domane’s favor. You might not need tires larger than 33mm. If so, consider the other differences, and rest assured that both bikes are fantastic options.

Are you a Roubaix or Domane fan? A Future Shock or IsoSpeed fan? Or is there a different option out there you think is even better? Let us know in the comments!

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Largest Tire Width on Your Madone?

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Whats the widest tire you have safely fit in your Madone(new style)? If so, what tire?  

Being on the North side of 55 years old and around 215 lbs, I figured maybe it would be a good time to try 25's. Bought a set of Conti 4000's, but have yet to put them on. Hopefully, there won't be a problem fitting them to my 5.2 Madone. Of course, after buying them, Continental has come out with a "Grand Prix" tire that is a 24. Interesting idea for us heavier riders.  

trek domane al 2 disc max tire size

I was just wondering about this. I was having a conversation with my son about installing fenders (on another bike) and was explaining about tire fit and such. So it got me thinking. My guess, and it is purely that, is that nothing larger than a 25 would fit, or a small 28. Now you are going to make me do it. I have some wheels that need attention, and I am going to throw some 28s on just to see. But look at the clearances between the fork crown and tire; the seat triangle and tire and lastly the chainstay "bridge" and tire, there is barely 3-5mm on my Madone. So I am thinking no more than 25s. zac  

Well I could get 28s to fit, but I wouldn't ride with them. They were Panaracer Paselas 700x28 steel beads (The cheap ones, not the folders). There was almost no clearance, and one small pebble stuck in the tire, would cause some damage. Of course not all 28s are the same size, so you would have to check. But a true 25 ought to fit. zac  

Why would you put anything wider than a 23 on a bike that is built for speed?  

Italianrider76 said: Why would you put anything wider than a 23 on a bike that is built for speed? Click to expand...

For what it is worth, I got about 60 miles this weekend on a pair of 25's that I put on mainly due to gain a bit of comfort on my high mileage frame (mine, not the bike!) Forty of those were with a pace line with the local bike club and if there was a loss of performance, I sure did not notice it. I still managed to hold my pulls at the front. They fit the frame without issue and the upgrade in reducing the jarring on pot holes and other issues with the road were of a similar magnitude to what I gained from going from my Litespeed to the Madone. While it was a "change of life" decision for me since I have always been on 23's, I will not be going back to them. The improvement is that dramatic. The Conti's are 20 grams heavier then the Bonti's and they have a slightly larger circumference making the top gear a bit taller.  

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COMMENTS

  1. Domane AL 2 rim max tire size : r/TrekBikes

    Max tyre size 28c without mudguards, 25c with mud guards - from Trek Website Domane AL2 Rim. For anyone else that finds this thread I was able to put 32mm gravelking SK tires on the front and 35mm on the back of my 2020 Al 2 rim. 35s definitely did not fit in the front due to fork clearance but there is room to spare in the back with both brake ...

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  3. I bought a Trek Domane al2 Rim. just wondering if a 32 or 30 tire will

    No, the air pressure comment was just to illustrate that there are many variables when it comes to tire size. The main issue is the tire/rim combo. Some tires inflate wider/narrower than stated and the internal rim width can vary, changing the size/shape of the inflated tire as well. A 28mm Conti GP4000sII on a 17mm internal is different from ...

  4. Domane AL 2 Gen 4

    Domane AL 2 Gen 4. 3 Reviews / Write a Review. $1,199.99. Model 5301344. Retailer prices may vary. Domane AL 2 is a speedy and versatile performance road bike that's a perfect starting point for anyone looking to get into road riding. With an Alpha Aluminum frame, clearance for larger tires, an 8-speed Shimano Claris drivetrain, rack, fender ...

  5. Biggest tires you've put on your Domane?

    Agree. 17 Domane SLR 6 disc. I like 28 and 32. Mostly running 28 Conti 4000 II on the stock al rims. Came with 32 Bontrager tires. I put them aside for now. Carbon rim set has 28 Schwab Pro on them. Plenty of room. 40's might not work but I haven't tried it yet. Winter I plan on swapping out some hub caps and trying a set of rims with 40'.

  6. Domane AL 2 Rim

    Domane AL 2 Rim. $999.99 $1,129.99. Model 1044959. Retailer prices may vary. Domane AL 2 is the perfect gateway to comfortable road biking. It's stable, light, easy to accessorize, and fun to ride—all of which makes it the ideal choice for anyone looking for a great first experience with a real road bike. Compare.

  7. Trek Domane Bikes Compared: Which One to Choose?

    Read this in-depth comparison of the Trek Domane road bikes. Learn which provides the best value and make an educated decision. ... Domane AL 2 Disc Domane AL 3 Disc Domane AL 4 Disc Domane AL 5 Disc Domane SL 5 (Gen 4) ... Max tire size: 28mm without fenders 25mm with fenders: 35mm without fenders 32mm with fenders: 35mm without fenders 32mm ...

  8. 2021 Trek Domane AL 2 Disc

    4130 All-Road Flat Bar Raw Phosphate 700c. $899. Undefeated Disc Graphite / Prism. $1,250. $1,499. 4130 All-Road Raw Phosphate 650b. $899. 4130 All-Road Flat Bar Rust Fade 700c. $899.

  9. 2021 Trek Domane AL 2

    Trek Domane AL 2 review. Jun 2022 · Simon Withers. ... Trek Domane AL Disc 4 review: An astounding and affordable all-roader - CyclingTips. Jan 2021 · Dave Rome. ... Shimano Claris R2000, long cage, 34T max cog. Front Derailleur: Shimano Claris R2000, 31.8mm clamp. Crank:

  10. Trek Domane AL 2 review

    Discover the comfort and performance of Trek Domane AL 2, a versatile road bike for beginners and enthusiasts.

  11. A Review Of My Trek Domane AL 2 Disc

    Trek Domane AL 2 Disc Road Bike Review. Final rating. 4.5. Summary. For those who are on a budget and looking to get into road cycling, choosing the Trek Domane AL 2 would be a wise choice as it will offer reliability, comfort as well as speed. Pros. Budget friendly. reliable.

  12. 2022 Trek Domane AL 2 Disc

    The 2022 Trek Domane AL 2 Disc comes in sizes 44, 49, 52, 54, 56, 58, 61. After measuring your height, use the size chart below to find the typical Trek Domane AL 2 Disc size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

  13. Compare: 2021 Trek Domane AL 2 vs Domane AL 2 Disc

    Gear Range. 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. Lowest gear. (climbing) 39 mph. Domane AL 2. 39 mph. Domane AL 2 Disc. Highest gear.

  14. What size tire is everyone running on Domane

    87 posts · Joined 2012. #17 · Jul 12, 2015. I have a Domane 5.2 with aelous D3's. I tried 28mm Conti 4000s II's. They fit front and rear until after two rides and the tire looses its perfect shape, after that, it rubbed on my brake beam. The front fits just fine. I now run the 28 in the front and a 25 on the rear.

  15. Domane AL 2

    Model 549547. Retailer prices may vary. Domane AL 2 is the perfect gateway to comfortable road biking. It's stable, light, easy to accessorize, and fun to ride—all of which makes it the ideal choice for anyone looking for a great first experience with a real road bike. Plus, it's built in Trek's performance heritage and backed by our lifetime ...

  16. Tire clearance on a Domane

    108 posts · Joined 2010. #7 · Sep 14, 2020. I have 2020 Domane with 700x40. The fork is flat surface inside so 54mm clearance between legs regardless. Chainstays have distinct dimples for 700c, same 54mm. So I suspect the 650b chainstay clearance would be much less than 54mm. Probably wouldn't fit.

  17. Trek Domane AL 2 Disc endurance road bike

    Domane AL 2 Disc is a fabulous pick for your first endurance road bike. The lightweight frame is responsive yet stable for a fun, confidence-inspiring ride. ... Tires: Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700×32 c: Max tyre size: 35c without fenders, 32c with fenders: Shifters: Shimano Claris R2000, 8-speed: Front derailleur ...

  18. Specialized Roubaix vs. Trek Domane

    The Domane will be able to fit up to 38mm tires (some reviews have claimed clearance for 40mm tires but Trek officially states 38mm), which is essentially gravel bike territory. This wide range of tire options opens up the Domane to potentially more off-road riding on dirt and gravel than the Roubaix. The 2020 Domane will come stock with 32mm ...

  19. Largest Tire Width on Your Madone?

    JoeyBuck. Being on the North side of 55 years old and around 215 lbs, I figured maybe it would be a good time to try 25's. Bought a set of Conti 4000's, but have yet to put them on. Hopefully, there won't be a problem fitting them to my 5.2 Madone. Of course, after buying them, Continental has come out with a "Grand Prix" tire that is a 24.

  20. Domane AL 5 Gen 4

    4 Reviews / Write a Review. $1,999.99. Model 5298009. Retailer prices may vary. Domane AL 5 is a speedy and versatile road bike that's a perfect starting point for anyone looking to get into road riding. With an Alpha Aluminum frame, clearance for larger tires, a 12-speed Shimano 105 drivetrain, top tube mounts, and an all-day road comfort ...

  21. Domane AL 2 Rim

    See the bike and visit your local Trek retailer. Shop now! Discover your next great ride with Domane AL 2 Rim - 2024, 56cm. See the bike and visit your local Trek retailer. Shop now! ... Shimano Claris RD-R2000, long cage, 34T max cog. Crank Shimano RS200, 50/34 (compact), 175mm length. Cassette Shimano HG31, CS-HG31, 11-32, 8 speed.

  22. Domane SL 6 Gen 4

    Light and strong 500 Series OCLV Carbon and a new gram-saving design make this the lightest Domane SL disc ever. Versatile tire clearance. ... Max tire size: 38mm without fenders, 35mm with fenders *Saddle: ... Rotor size: Max brake rotor sizes: 160mm front & rear: Bag: Bontrager BITS Internal Frame Storage Bag: Sizing. Geometry.

  23. Domane AL 3 Gen 3

    Domane AL carbon, tapered alloy steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle Wheels Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, Presta valve, Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12mm thru axle