Trek Checkpoint AL 3

Trek Checkpoint AL 3
  • Color: Era White
  • Color: Olive Grey
  • Color: Trek Black
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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 2x9 Shimano Sora drivetrain, fender and rack mounts, Tektro mechanical disc brakes for all-weather stopping power, Tubeless Ready wheels, and 700x32 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


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.

Part Numbers

Option UPC MPN Store SKU
Era White / 44cm 601479999538 579497 TRE27259825E
Era White / 49cm 601479999545 579498 TRE27441681E
Era White / 52cm 601479999552 579499 TRE27475381E
Era White / 54cm 601479999569 579500 TRE27347740E
Era White / 56cm 601479999576 579501 TRE27792859E
Era White / 58cm 601479999583 579502 TRE27317332E
Era White / 61cm 601479999590 579503 TRE2737688E
Olive Grey / 44cm 601479947355 574783 TRE28548543Y
Olive Grey / 49cm 601479947362 574784 TRE28347114Y
Olive Grey / 52cm 601479947379 574785 TRE28298232Y
Olive Grey / 54cm 601479947386 574786 TRE28437593Y
Olive Grey / 56cm 601479947393 574787 TRE28266348Y
Olive Grey / 58cm 601479947409 574788 TRE28130248Y
Olive Grey / 61cm 601479947416 574789 TRE28590875Y
Trek Black / 44cm 601479947287 574776 TRE28111937K
Trek Black / 49cm 601479947294 574777 TRE28974724K
Trek Black / 52cm 601479947300 574778 TRE28333094K
Trek Black / 54cm 601479947317 574779 TRE28322886K
Trek Black / 56cm 601479947324 574780 TRE28933850K
Trek Black / 58cm 601479947331 574781 TRE2831125K
Trek Black / 61cm 601479947348 574782 TRE28767771K