TREK CIRCUIT WAVECEL ROAD HELMET DARK STAR Size:XL Like an athlete’s ability to

Like an athlete’s ability to put their absolute best on the line day in and day out while scrutinizing every little opportunity to improve

Easily change button function with the E-TUBE app

Its Axial Clutch V2 technology reduces drag and lowers friction

Built to SHIMANO's exacting standards

TREK CIRCUIT WAVECEL ROAD HELMET DARK STAR Size:XL Like an athlete’s ability toIf you get just one helmet, make it this one. 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