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"A win"
"More comfortable, more approachable and more ready for whatever type of riding you want... Has golden retriever energy, and I mean that in the best way possible."
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"Fun, efficient and comfortable"
"More versatile than ever but it's not afraid to go fast... Feels eager to eat up mile after mile and responds well to bursts of speed."
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"Carries the torch"
"Very impressed. Over the fast but lumpier sections of my loop, it did an exceptional job of taking the sting out of the vibrations... Comfort, speed and top performance but in an accessible package."
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More options
Which generation is right for you?
Go with our comfiest and most capable gravel bike with the Checkpoint SL Gen 3 or opt for a longer, more stable gravel rig with the Checkpoint SL Gen 2.
Learn moreService manual
Time to get out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values and platform-specific tech instructions below.
Get it hereCheckpoint-compatible accessories
Whether your adventures take you on gravel or tarmac, to the back country or front country – here are the accessories you need to make sure that your Checkpoint is always ready.
Shop nowExperience Checkpoint with Trek Travel
Adventure unpaved on a Trek Travel trip with Checkpoint. Plus, enjoy up to £420 off your next bike purchase when you take the cycling vacation of a lifetime.
Find your dream tripHow to ride gravel
Gravel riding is all about having fun and exploring off the beaten track. Wear what you want, ride what you want, but make sure you know the essentials before getting out there.
See the guideProduct features
IsoSpeed comfort tech
IsoSpeed comfort tech smooths pot holes and fatiguing bumps in the road so you can ride stronger for longer.
New Gravel Endurance geometry
A new confident and comfortable Gravel Endurance geometry puts you in a more relaxed upright riding position so you can stay comfortable on even your most epic adventures.
Big ’ol tyre clearance
Roll over the rough stuff with room to fit gravel tyres up to 50 mm wide (as measured).
Bigger in-frame storage
More internal frame storage and a bigger storage door lets you fit all your flat tools inside your bike so you're always ready for whatever the gravel road throws at you.
Mounts galore
The new Checkpoint SL is equipped to carry everything you need with mounts on the frame and fork for front and rear racks, mudguards and Adventure Top Tube, Frame and Triangle Bags. Plus, the new frame has been optimised to fit extra hydration in addition to all your bags.
Suspension fork and dropper post compatible
The Checkpoint SL is now compatible with dropper posts and suspension forks with up to 40 mm of travel so you can send it on chunkier gravel and steeper descents.
New gravel bike sizing
We updated our sizing system, consolidating the number of sizes and reducing overlap to make it easier to find the right size for you.
Don’t forget your pedals
This bike doesn’t come with pedals because you’ll have a better time on your new bike if you choose your own. See the pedal guide to find the best pedals for your riding style.
See the guideBlendr-compatible stem
Bontrager Blendr stem technology lets you clip your gear directly to the stem for clean looks and maximum user friendliness.
Carbon Care Wheel Loyalty Programme
Every set of Bontrager carbon wheels is backed by the Carbon Care Wheel Loyalty Programme. In the unlikely event that you damage your Bontrager carbon wheels within the first two years of ownership, we’ll repair or replace them for free.
Learn moreTubeless Ready rims
Bontrager TLR (Tubeless Ready) Road is the first fully integrated tubeless system for road wheels. When you go tubeless with TLR, you can run lower tyre pressure for increased traction and comfort without the threat of pinch flats.
Gravel Specific Tyres
Wider gravel-specific tyres provide better traction and more stability while riding on gravel or dirt tracks.
500 Series OCLV
500 Series OCLV achieves a superb balance of light weight, strength, and stiffness that's perfectly suited to the sophisticated frame technologies that distinguish Trek frames.
Learn moreFlat Mount disc brakes
All-new Flat Mount disc brakes are more elegant, lighter, smaller and cleaner than traditional disc brakes, providing superior performance and stopping power under harsh conditions.
| Frame | 500 Series OCLV Carbon, IsoSpeed, downtube storage door, hidden mudguard mounts, rack mounts, integrated frame bag mounts, invisible cable routing, T47, flat-mount disc, integrated chainkeeper, removable FD hanger, UDH, 142x12 mm chamfered thru axle |
|---|---|
| Fork | Checkpoint full carbon, tapered carbon steerer, fender mounts, triple rack mounts, flat mount disc, 12x100mm chamfered thru axle |
| Max compatible fork travel | 40 mm (XS: compatible with rigid fork only) See Checkpoint SL Gen 3 FAQ for compatible options |
| Weight | ML - 9.00 kg / 19.85 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb). |
| Battery | SRAM eTap battery pack (with charger) |
|---|
| *Shifter |
Size:
XS, S, M, ML, L, XL SRAM Force AXS D2, 12-speed |
|---|---|
|
Size:
XS, S, M, ML, L, XL SRAM Force AXS D2, 12 speed |
|
| Rear derailleur | SRAM Force XPLR AXS D2, 44T max cog |
| *Crank |
Size:
XS, S SRAM Force 1 D2, 40T, DUB, 165 mm length |
|
Size:
M SRAM Force 1 D2, 40T, DUB, 170 mm length |
|
|
Size:
ML, L SRAM Force 1 D2, 40T, DUB, 172.5 mm length |
|
|
Size:
XL SRAM Force 1 D2, 40T, DUB, 175 mm length |
|
| Bottom bracket | SRAM DUB, T47 threaded, internal bearing |
| Cassette | SRAM XG-1271, 10-44, 12-speed |
| Chain | SRAM Force, 12-speed |
| Max. chainring size | 1x:44 2x: 46/30 |
| Wheel front | Bontrager Aeolus Elite 35V, OCLV Carbon, Tubeless Ready, 35mm rim depth, 100x12mm thru axle |
|---|---|
| Wheel rear | Bontrager Aeolus Elite 35V, OCLV Carbon, Tubeless-Ready, 35 mm rim depth, SRAM XD-R driver, 142x12 mm thru axle |
| Skewer front | Bontrager Switch chamfered thru axle, removable lever |
| Skewer rear | Bontrager Switch chamfered thru axle, removable lever |
| Tyre | Bontrager Girona RSL, Tubeless Ready, GR puncture protection, aramid bead, 220 tpi, 700x42 mm |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tyre size | 50 mm without mudguards, 42 mm with mudguards |
| *Saddle |
Size:
XS, S Verse Short Elite, hollow magnesium rails, 155 mm width |
|---|---|
|
Size:
M, ML, L, XL Verse Short Elite, hollow magnesium rails, 145 mm width |
|
| Seatpost | Bontrager carbon, 27.2 mm, 8 mm offset, 330 mm length |
| *Handlebar |
Size:
XS Bontrager Pro Gravel, 40 cm width |
|
Size:
S, M Bontrager Pro Gravel, 42 cm width |
|
|
Size:
ML, L Bontrager Pro Gravel, 44 cm width |
|
|
Size:
XL Bontrager Pro Gravel, 46 cm width |
|
| Handlebar tape | Bontrager Supertack Perf tape |
| *Stem |
Size:
XS Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length |
|
Size:
S Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
|
|
Size:
M, ML Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
|
|
Size:
L Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
|
|
Size:
XL Bontrager Pro, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length |
|
| Brake | SRAM Force AXS hydraulic disc, flat mount |
| Brake rotor | SRAM CentreLine X, CentreLock, round edge, 160 mm |
| Rotor size | Max brake rotor sizes: 180mm front and rear |