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

we know precisely what your bike needs

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

8mm cassette spacer

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