The classic snowboard shape

123 / 80 / 103 mm

Boasting legendary all-terrain performance

23: 80-160lbs

Trek Checkpoint SL 5 AXS Gen 3 Bike size_27x1-1-4 The classic snowboard shapeCheckpoint ALR 3 is the best value gravel bike in the lineup. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 3 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tubeless ready wheels help fight punctures in the rough while a 2x9 speed Shimano groupset and mechanical disc brakes balance budget with reliability. Checkpoint's Gravel Endurance geometry lets you sit higher up and features a shorter reach to keep