Trek Checkpoint ALR 5 Bike Size:52 110 mm length HEADSET 1-1/8"

110 mm length HEADSET 1-1/8" threadless

Asymmetric Shaping – Asymmetric sidecut shaping improves heelside turn initiation and control

Composite head with thumb lock

not only for wearers of prescription glasses

Construction Lightweight helmet featuring an ABS shell

Trek Checkpoint ALR 5 Bike Size:52 110 mm length HEADSET 1-1/8"Specs Technology FAQs All Around Performance from Trek's Jack of all Trades! The Checkpoint 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. A wealth of features like nimble yet stable progressive geometry, loads of mounts, plus a GRX drivetrain make it easy to customize for your kind of adventure. Its right for you if