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Trek Checkpoint ALR Frameset

Trek Checkpoint ALR Frameset
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Details

Checkpoint ALR Frameset is an awesome platform for your dream gravel bike. It's built with light and sturdy aluminum tubes, nimble-yet-stable progressive geometry, and it's covered in mounts for gear and accessories. Includes a carbon disc fork, and has clearance to run up to 45c tires.

It's right for you if...
You believe there's nothing better than a day spent exploring. You want to build up a single durable, ultra-versatile gravel bike that's ready for any off-road adventure, bikepacking tours, and all-around utility.

The tech you get
A stout aluminum frame with a progressive geometry that's stable at speed and efficient when you're grinding up a climb, hidden cables that won't interfere with bags, rack and fender mounts and integrated frame bag mounts, a carbon fork, and a cartridge-bearing headset. Built for 12mm thru axles, flat-mount disc brakes, and a T47 bottom bracket.

The final word
Build your gravel bike exactly the way you want. Checkpoint ALR Frameset gives you a solid head start on your dream build with a lightweight frame, carbon fork, and gravel-specific details like extra mounts for endless customization options.

Why you'll love it
- All-new progressive geometry is quick and nimble yet keeps you stable and in control on fast, choppy descents
- Massive tire clearance means you can use tires up to 45c for extra traction and stability in any conditions
- Integrated frame bag mounts and rack and fender mounts make it easy to carry gear and water
- Internal cable routing keeps things smooth, quiet, and clean
- This bike is exceedingly versatile and suited to a wide variety of ride styles, including gravel rides, bikepacking, and even daily commutes

bike frame with labeled dimensions
Bike Sizes:
49 cm52 cm54 cm56 cm58 cm61 cm
A. Reach 39.3cm 39.9cm 40.3cm 40.7cm 41.1cm 41.7cm
B. Stack 53.8cm 55.3cm 57.1cm 59.2cm 60.9cm 63.9cm
C. Standover 73.5cm 76.5cm 78.9cm 80.9cm 82.9cm 85.9cm
D. Effective Top Tube 54.1cm 55.5cm 57cm 58.4cm 59.7cm 61.7cm
E. Head Tube Angle 71.2° 71.6° 71.8° 72.2° 72.3° 72.6°
F. Head Tube Length 9cm 10.5cm 12.5cm 14.5cm 16.5cm 19.5cm
G. Seat Tube Angle 74.1° 73.7° 73.2° 72.8° 72.5° 72.1°
H. Seat Tube Length 49cm 52cm 54cm 56cm 58cm 61cm
J. Bottom Bracket Drop 7.8cm 7.8cm 7.6cm 7.6cm 7.4cm 7.4cm
K. Fork Rake/Offset 4.5cm 4.5cm 4.5cm 4.5cm 4.5cm 4.5cm
L. Trail 7.4cm 7.1cm 7cm 6.7cm 6.6cm 6.5cm
M. Wheelbase 102.5cm 103.3cm 104.1cm 104.8cm 105.8cm 107cm
O. Chainstay Length 43.5cm 43.5cm 43.5cm 43.5cm 43.5cm 43.5cm

Specs

Frame 300 Series Alpha Aluminum, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm thru axle
Fork Checkpoint, carbon legs, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
Axles Bontrager Switch thru axle, removable lever
Headset FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom

* Subject to change without notice.