Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
Previous used estimate
$534 - $549
Actual value depends on condition, size, and local demand.

12-month projected trend
20%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
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Checkpoint AL 4 is an ideal entry point to the world of gravel riding. It's built with a lightweight aluminum frame and a durable parts group that won't quit on you as your skills advance. Plus, this gravel bike has exceptional versatility. Extra mounts make it easy to add bags and racks for daily commutes and touring. It's right for you if... Your idea of the perfect ride includes chasing the sunlight through a car-free landscape on a long dirt road. You ride for the experience of it, but you also need your bike to have the versatility to take on city commutes and daily around-town rides. The tech you get A 200 Series Alpha Aluminum frame with massive tire clearance, a carbon disc fork, 12mm thru axles, a 2x10 Shimano Tiagra 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 If you're looking for adventure off the beaten path without breaking the bank, Checkpoint AL 4 is a great choice. This value-minded ride is built for epic gravel rides, but it's equally at home on city streets, your daily commute, and more! 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
Inspection
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Inspection
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.