Troy Lee Designs D4 Composite MIPS BMX Race Helmet-Lined Up White crank-brothers it nails that athletic look

it nails that athletic look while keeping things lightweight and breathable

Continuing with Rennen's tradition for engineering the best racing components

and lightweight design tailored for BMX racing

Top Tube: 20" (507mm)

Available in anodized red

Troy Lee Designs D4 Composite MIPS BMX Race Helmet-Lined Up White crank-brothers it nails that athletic lookThe Troy Lee Designs D4 Composite MIPS BMX Race Helmet Lined Up White is made of aerospace composite with a slick design that keeps the weight at just 1050g. Racers need tough and lightweight protection in a helmet and Troy Lee Designs delivers. Featuring the brilliant MIPS protection system for helping to mitigate those off angle impacts and 24 vents for great airflow. X Static and XT2 anti microbial, anti odor materials keep your helmet fresh,