Trek Quantum WaveCel Mountain Bike Helmet CLEANING Utilizing two shallow channels to

Utilizing two shallow channels to let the cables pass between the frame and mudguard

8mm cassette spacer

A head start to happier rides

The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

Energy capsulated in a natural hydrogel

Trek Quantum WaveCel Mountain Bike Helmet CLEANING Utilizing two shallow channels toA go anywhere helmet for everyday adventures The Quantum WaveCel is a ride anything mountain bike helmet with updated WaveCel technology that's lighter and cooler than ever. Strategic vents with recessed channelling help keep you cooler on your hottest rides, while a Headmaster III Fit System and a three position visor make dialling the perfect fit a breeze. This do anything helmet features a well ventilated design with recessed channelling to keep