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Service 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-ready accessories
Gear up for adventure with pedals, bags, bottles, and more — all compatible with Checkpoint.
Shop nowHow 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
Mounts galore
The new Checkpoint ALR 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.
Gravel Endurance geometry
Designed with Gravel Endurance geometry with a higher stack and shorter reach for improved comfort and control on long days in the saddle.
Big 'ol tire clearance
Designed with 50mm (or 29 x 2.0)* tire clearance for more grip and comfort on challenging terrain.
*As measured
Suspension fork and dropper post compatible
Compatible with a suspension fork* and dropper post for riders tackling technical descents or seeking more aggressive off-road performance.
*Available on all sizes except XS frames
Checkpoint-ready accessories
Gear up for adventure with pedals, bags, bottles, and more — all compatible with Checkpoint.
Shop now300 Series Alpha Aluminum
Trek’s premium-grade aluminum is hydroformed into size-specific tubes that provide the perfect balance of stiffness and weight.
Learn moreGravel Specific Tires
Wider gravel-specific tires provide better traction and more stability while riding on gravel or dirt tracks.
Flat 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.
Tubeless 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 tire pressure for increased traction and comfort without the threat of pinch flats.
Blendr-compatible stem
Bontrager Blendr stem technology lets you clip your gear directly to the stem for clean looks, maximum user friendliness.
| Frame | 300 Series Alpha Aluminum, Internal cable routing, 3S chain keeper, T47, UDH, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm chamfered thru axle |
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| Fork | Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle |
| Weight | ML - 2.60 kg / 5.74 lbs |
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| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). |
| Max chainring size | 1x:44 2x: 46/30 |
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| Skewer front | Bontrager Switch chamfered thru axle, removable lever |
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| Skewer rear | Bontrager Switch chamfered thru axle, removable lever |
| Max tire size | 50mm without fenders, 42mm with fenders (as measured, see manual for details) |
| Rotor size | Max brake rotor sizes: 180mm front & rear |
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