Troy Lee Designs D4 Carbon MIPS BMX Race Helmet-Lowrider Blue youth-x-large quick-change blade system that locks

quick-change blade system that locks open

The cover features embossed graphics and a textured surface to provide enough traction so you won't slip around

Avid FR5 Lever

Stand Over-27

Troy Lee Designs D4 Carbon MIPS BMX Race Helmet-Lowrider Blue youth-x-large quick-change blade system that locksThe Troy Lee Designs D4 Carbon MIPS BMX Race Helmet Lowrider Blue delivers top tier protection with a lightweight carbon shell and advanced safety features. Engineered for high speed BMX and downhill performance, it combines Mips technology with an EPP chin bar and emergency release cheek pads for added security. Designed for comfort and durability, this helmet keeps riders cool with moisture wicking materials and strategically placed ventilation.