Topstone 4 Alpine Pants Available with Prizm™ lenses that

Available with Prizm™ lenses that are designed to enhance color and contrast so you can see more detail

The Li-ion battery makes for quick and easy recharging on the go or at home with integrated Micro-USB charge port

designed to be ridden with a slightly longer nose than tail to concentrate pop in the tail while providing plenty of float

Barely noticeable in your pack

GripWalk (ISO 23223 TYPE A)

Topstone 4 Alpine Pants Available with Prizm™ lenses thatExplore further. Ride freer. An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute. Where it thrives: Gravel roads, out in the elements What it's built for: Traction, handling, comfort Lightweight SmartForm C2 Alloy frame w full carbon fork microSHIFT Advent X, wide range 10 speed group Powerful disc brakes Specifications are subject to change without notice. All bike