Troy Lee Designs D4 Composite BMX Race Helmet-Stealth Red Helmet Size:Adult XX-Large the PowerBlock is faithfully recreated

the PowerBlock is faithfully recreated in OS20 diameter

and with input from our elite riders

0° SP ANGLE: 71

Pivotal style

Non-Drive Side (mm): 28

Troy Lee Designs D4 Composite BMX Race Helmet-Stealth Red Helmet Size:Adult XX-Large the PowerBlock is faithfully recreatedThe Troy Lee D4 Composite BMX Race Helmet Stealth Red is made of an aerospace grade composite with a slick shell design that weighs in at just 1050g. You want strong? You want lightweight? Of course, Troy Lee Designs delivers. Featuring the brilliant MIPS C2 protection system for helping to mitigate those off angle impacts. The D4 Composite helmet features a ventilation system with front intakes and power grid side mesh to keep cool air moving