Troy Lee Designs D4 Polyacrylite Helmet W/Mips ; The Line orange Wide platform for the efficient

Wide platform for the efficient transfer of power from SPD shoes

It also passes the stringent Zedler E-MTB Advanced Plus standard and the international DH standard (ASTM Cat

while maintaining mobility

BB height adjust

Troy Lee Designs D4 Polyacrylite Helmet W/Mips ; The Line orange Wide platform for the efficientThe 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.