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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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Which generation is right for you?
Go with our comfiest and most capable gravel bike with Checkpoint SL Gen 3 or opt for a longer, more stable gravel rig with Checkpoint SL Gen 2.
Learn moreService manual
Time to bust 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 your Checkpoint is always ready.
Shop nowExperience Checkpoint with Trek Travel
Adventure unpaved on a Trek Travel trip with Checkpoint. Experience this bike on a Trek Travel vacation and receive a discount on your purchase.
Find your dream tripHow to ride gravel
Gravel riding is all about having fun and exploring off the beaten path. 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 potholes and fatiguing bumps in the road so you can ride stronger 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 tire clearance
Roll over the rough stuff with room to fit gravel tires up to 50mm 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, fenders, and Adventure Top Tube, Frame, and Triangle Bags. Plus, the new frame was optimized to fit extra hydration in addition to all your bags.
Suspension fork and dropper post compatible
Checkpoint SL is now compatible with dropper posts and suspension forks with up to 40mm of travel so you can send it on chunkier gravel and steeper descents.
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, maximum user friendliness.
Tubeless Ready rims
Bontrager TLR (Tubeless Ready) Road is the first fully integrated tubeless system for the road. No tubes mean there’s no pinch flats, allowing you to run lower tire pressure. With lower tire pressure you can increase traction, control. and comfort, reduce fatigue on you. Best of all, the tire sealant seals up punctures as soon as they happen!
Gravel Specific Tyres
Domane Gravel features wider 700x35c gravel-specific tyres that 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 fender mounts, rack mounts, integrated frame bag mounts, invisible cable routing, T47, flat mount disc, integrated chainkeeper, removable FD hanger, UDH, 142x12mm 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 - 9.50 kg / 20.95 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). |
| Battery | SRAM eTap battery pack (with charger) |
|---|
| *Shifter |
Size:
XS, S, M, ML, L, XL SRAM Apex, 12 speed |
|---|---|
|
Size:
XS, S, M, ML, L, XL SRAM Apex AXS, 12 speed |
|
| Rear derailleur | SRAM Apex XPLR eTap AXS, 44T max cog |
| *Crank |
Size:
XS, S SRAM Apex 1, 40T, DUB Wide, 165mm length |
|
Size:
M SRAM Apex 1, 40T, DUB Wide, 170mm length |
|
|
Size:
ML, L SRAM Apex 1, 40T, DUB Wide, 172.5mm length |
|
|
Size:
XL SRAM Apex 1, 40T, DUB Wide, 175mm length |
|
| Bottom bracket | SRAM DUB, T47 threaded, internal bearing |
| Cassette | SRAM XPLR PG-1231, 11-44, 12 speed |
| Chain | SRAM Apex, 12 speed |
| Max chainring size | 1x:44 2x: 46/30 |
| Wheel front | Bontrager Paradigm SL TLR rim with CL-712 100x12mm Centerlock Disc hub, 24H, Black spokes and nipples |
|---|---|
| Wheel rear | Bontrager Paradigm SL TLR rim with CL-712 142x12mm Centerlock Disc hub, 24H, Black spokes and nipples |
| Skewer front | Bontrager Switch chamfered thru axle, removable lever |
| Skewer rear | Bontrager Switch chamfered thru axle, removable lever |
| Tire | Bontrager Girona RSL, Tubeless Ready, GR puncture protection, aramid bead, 220 tpi, 700x42mm |
| Tire part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tire size | 50mm without fenders, 42mm with fenders |
| *Saddle |
Size:
XS, S Verse Short Comp, steel rails, 155mm width |
|---|---|
|
Size:
M, ML, L, XL Verse Short Comp, steel rails, 145mm width |
|
| Seatpost | Bontrager carbon, 27.2mm, 8mm offset, 330mm length |
| *Handlebar |
Size:
XS Bontrager Elite Gravel, alloy, 40cm width |
|
Size:
S, M Bontrager Elite Gravel, alloy, 42cm width |
|
|
Size:
ML, L Bontrager Elite Gravel, alloy, 44cm width |
|
|
Size:
XL Bontrager Elite Gravel, alloy, 46cm width |
|
| Handlebar tape | Bontrager Supertack Perf tape |
| *Stem |
Size:
XS Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length |
|
Size:
S Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
|
|
Size:
M, ML Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
|
|
Size:
L Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
|
|
Size:
XL Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length |
|
| Brake rotor | SRAM Paceline, rounded, centerlock, 160mm |
| Rotor size | Max brake rotor sizes: 180mm front & rear |
| Bag | Bontrager BITS Internal Frame Storage Bag |
|---|