Trek Checkpoint ALR 4 Bike Size:56 3M™ Thinsulate™ Insulation – The

3M™ Thinsulate™ Insulation – The use of very thin insulating fibers allows Thinsulate™ to trap more warm air with a thinner layer

100% Polyester mesh panels underarm

DWR coating will remain intact for up to 50 washes

Smooth Glide buckles are easy to secure and feature aluminum levers and a steel base for strength with a polycarbonate barrel for improved ratchet tongue life

Trek Checkpoint ALR 4 Bike Size:56 3M™ Thinsulate™ Insulation – TheCheckpoint ALR 4 is an aluminum gravel bike that offers an incredible amount of capability for the price. It's built for the rigors of gravel and dirt roads, but it's also right at home on morning commutes and centuries. This bike knows no boundaries, which makes it the ideal gateway to adventure on any road or path. It's right for you if You want a single durable, ultra versatile gravel bike that's ready for adventure. Gravel? Check. Pavement? Check.