Trek Checkpoint AL 3


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Checkpoint AL 3 may be the introductory gravel bike in the lineup, but it’s packed with features that make it a worthy choice for new and experienced gravel grinders alike, like a lightweight aluminum frame, Shimano drivetrain, thru axles, Tubeless Ready wheels, and disc brakes for better braking power in all weather conditions.

It’s right for you if…
You’ve heard about the new frontier of gravel riding and want to dip your toes into the grit with an affordable, capable ride that can meet your all-road adventure aspirations and also function as your daily commuter.

The tech you get
A 200 Series Alpha Aluminum frame with massive tire clearance, a carbon disc fork, 12mm thru axles, a 2×9 Shimano Sora drivetrain, fender and rack mounts, Tektro mechanical disc brakes for all-weather stopping power, Tubeless Ready wheels, and 700×32 Bontrager R1 Hard-Case Lite tires.

The final word
A rugged all-road ride for gravel adventures, daily commutes, touring, and more! Checkpoint AL 3 gives you all the capability of a true gravel bike at a price that leaves cash in your pocket for campsite fees, race entries, and post-adventure fun.

Why you’ll love it
– This bike is exceedingly versatile and suited to a wide variety of ride styles, including gravel rides, bikepacking, and daily commutes
– Massive tire clearance means you can use tires up to 35c for extra traction and stability in any condition
– Mounts on the seat tube and both sides of the down tube make it easy to carry extra gear and water
– Internal routing protects your cables, even when the gravel gets muddy

Trek Checkpoint geometry chart


Frame Alpha 200 series aluminum, tapered head-tube, BB86.5, flat-mount disc brakes, internal cable routing, w/rack mounts and hidden fender mounts
Fork Checkpoint carbon disc, tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts
Headset Integrated, cartridge bearing, sealed, 1-1/8″ top, 1.5″ bottom
Axles Front: 12mm thru axle
Rear: 12mm thru-axle
Wheels/Rims Bontrager Affinity, Tubeless Ready, 24h
Hubs Formula alloy disc, 24h
Tires Bontrager R1 Hard-Case Lite, 700x32c
Crankset Shimano Sora
Chainrings 50/34 (compact)
Bottom Bracket Sealed cartridge
Chain Shimano Sora
Front Derailleur Shimano Sora
Rear Derailleur Shimano Sora
Cassette/Rear Cogs Shimano Sora, 11-32, 9 speed
Shifters Shimano Sora, 9 speed
Handlebars Bontrager Comp VR-C, 31.8mm
Tape/Grips Bontrager tape
Stem Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts
Brakes Tektro C550 Spyre, dual-piston mechanical disc brake, 160mm rotor
Saddle Bontrager Arvada Comp, steel rails
Seat Post Bontrager Approved, alloy, 27.2mm

* Subject to change without notice.


Option UPC MPN Store SKU
Era White / 44cm 601479999538 579497 CHE23720965E
Era White / 49cm 601479999545 579498 CHE23616059E
Era White / 52cm 601479999552 579499  
Era White / 54cm 601479999569 579500 CHE23137186E
Era White / 56cm 601479999576 579501 CHE23864664E
Era White / 58cm 601479999583 579502 CHE23177816E
Era White / 61cm 601479999590 579503 CHE23636855E
Olive Grey / 44cm 601479947355 574783  
Olive Grey / 49cm 601479947362 574784 CHE24285243Y
Olive Grey / 52cm 601479947379 574785 CHE24818141Y
Olive Grey / 54cm 601479947386 574786 CHE24372099Y
Olive Grey / 56cm 601479947393 574787 CHE24193936Y
Olive Grey / 58cm 601479947409 574788 CHE24315073Y
Olive Grey / 61cm 601479947416 574789 CHE2451952Y
Trek Black / 44cm 601479947287 574776 CHE24148338K
Trek Black / 49cm 601479947294 574777 CHE24671494K
Trek Black / 52cm 601479947300 574778 CHE24706320K
Trek Black / 54cm 601479947317 574779 CHE24213556K
Trek Black / 56cm 601479947324 574780 CHE24378970K
Trek Black / 58cm 601479947331 574781 CHE24894850K
Trek Black / 61cm 601479947348 574782 CHE24584432K


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