Troy Lee Designs D4 Polyacrylite Helmet The Line Charcoal / White, Small teravail The design also features a

The design also features a large

spring-loaded calipers

Designed to work with tubeless-ready rims and wheels

Note: The NiteRider Lumina Boost is shipped from the factory in Travel Lock Mode

Troy Lee Designs D4 Polyacrylite Helmet The Line Charcoal / White, Small teravail The design also features aThe 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. Mips C2 system and advanced Polyacrylite shell for rotational impact