Troy Lee Designs D4 Team BMX Race Helmet-Military Helmet Size:Adult Small Seatpost Diameter: 22

Seatpost Diameter: 22

With its durable PVC backed polyester

The aero carbon fiber legs are made of highly durable Toray fiber and the 10mm alloy dropouts make the Versus fork one of the stiffest on the market today

Legs: Seamless Swaged (No Welded Cap)

Troy Lee Designs D4 Team BMX Race Helmet-Military Helmet Size:Adult Small Seatpost Diameter: 22The Troy Lee Designs D4 Composite Team BMX Helmet Military is made with aerospace composite and a slick design to keep the weight at only 1050 grams. You want strong? You want lightweight? Of course Troy Lee Designs delivers. Featuring the brilliant MIPS protection system for helping to mitigate those off angle impacts. X Static and XT2 anti microbial anti odor materials help rid your riding experience of the "Ew!" factor and instead make this helmet