Checkpoint ALR 4
The Checkpoint ALR 4 is a high-value aluminum gravel bike built for riders ready to explore beyond the pavement. Featuring a responsive 300 Series Alpha Aluminum frame and a full carbon fork, it delivers a stable yet lively ride on everything from chunky gravel to smooth tarmac. This versatile machine is designed with hidden cable routing to keep your cockpit clean and a SRAM Apex 1x11 drivetrain for simple, reliable shifting. Whether you are entering your first gravel race, embarking on a bikepacking trip, or tackling the daily grind, the Checkpoint ALR 4 is engineered to be your ticket to adventure.
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Product images may vary slightly from final specifications.
Need to Know
KEY FEATURES
PERFECT FOR
Why we like the Trek Checkpoint ALR 4
Adventure-Ready Versatility
The Checkpoint is a true "do-it-all" machine, transitioning easily from a fast gravel racer to a loaded bikepacking rig. Its extensive mounting options ensure you can carry all your essential gear without compromise.
Reliable 1x Simplicity
The SRAM Apex 1x11 drivetrain eliminates the complexity of a front derailleur for intuitive shifting and a cleaner look. This setup lets you focus on the trail while providing plenty of range for punchy climbs.
High-Quality Aluminum Engineering
The 300 Series Alpha Aluminum frame balances climbing stiffness with all-day comfort. Featuring a T47 threaded bottom bracket, it provides a robust, creak-free platform that is incredibly easy to maintain.
Specifications
Frame Material
Aluminum (300 Series Alpha Aluminum)
Shifter
SRAM Apex, 11-speed
Rear Derailleur
SRAM Apex 1, long cage, 42T max cog
Front Derailleur
Crankset
SRAM Apex 1, 40T, DUB Wide
Chain
SRAM PC-1130, 11-speed
Cassette
SRAM PG-1130, 11-42, 11-speed
Brakeset
Tektro C550 mechanical disc brake, dual piston, flat mount
Rotors
Tektro, centerlock, 160mm
Bottom Bracket
SRAM DUB, T47 threaded, internal bearing
Cockpit
Headset
Integrated, tapered head tube
Handlebar
Bontrager Elite Gravel
Stem
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree
Saddle
Bontrager Verse Comp, steel rails
Seatpost
Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Wheels
Wheelset
Bontrager Paradigm, Tubeless Ready, 21mm width
Front Axle
100x12mm thru axle
Rear Axle
142x12mm thru axle
Hubs
Bontrager alloy, sealed bearing, centerlock disc
Tires
Bontrager Girona Pro or GR1 Team Issue, 700c
Tire Clearance
Up to 45c
Size Guide
Geometry
| XS | S | M | ML | L | XL |
|---|
All measurements in degrees or mm
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