Circuit Wavecel Helmet size-30l the wider brim allows more

the wider brim allows more airflow

Seatpost Bontrager alloy

Upper Cuff Construction : 3D injection High Cuff free support

Laces Cover : Extra protection against snow to ensure the best insulation

Circuit Wavecel Helmet size-30l the wider brim allows moreTrek Circuit Wavecel Helmet Whether your finish line is on the race course or your front door, Trek Circuit WaveCel delivers the performance, comfort and tech to be your go to helmet. It's equipped with features that any rider will appreciate, like WaveCel technology, a BOA Fit System and Blendr mount systems. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Trek exclusive technology disrupts the safety standards