Taking a new shape

with a new fit and feel on the bike

Tom Van Steenbergen and Kyle Strait at Red Bull Rampage 2021

Introducing the officially licensed 2024 Red Bull Rampage Altered Reality collection commemorating the history of the world’s most distinguished freeride mountain bike competition

Lightweight and slim

D4 Polyacrylite Helmet W/MIPS Qualifer Black / Yellow Size:XXL Taking a new shapeThe reigning king of full face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price conscious shell. Details make the D4 the most coveted full face in mountain biking, including Mips C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.