and internal stretch cuff with thumb loops

Auto selecting SwitchHitter II technology

• Underarm ventilation with mesh inserts

Steel heel housing and screw reinforcement for increased durability

with waterproof breathable Entrant V fabric

Trek Checkpoint ALR 5 Bike Size:56 and internal stretch cuff withCheckpoint ALR 5 is the best value gravel bike in the lineup. It's a high quality build that will hold up for long, rugged miles on pavement, dirt, and even the most treacherous gravel roads. But what sets this model apart is the performance parts and the wealth of features like adjustable horizontal sliding dropouts, massive tire clearance, and extra mounts that make it easy to customize for your kind of adventure. Specifications: Frame: 300 Series