Troy Lee Designs D4 Composite MIPS BMX Race Helmet-Stealth Tarmac Helmet Size:Adult X-Small Unique external slack adjustment feature

Unique external slack adjustment feature

Sidewall: CNC'd

With a spindle constructed from CNC machined chromoly

Shimano and SRAM cogs

Redline 3-pc cranks)

Troy Lee Designs D4 Composite MIPS BMX Race Helmet-Stealth Tarmac Helmet Size:Adult X-Small Unique external slack adjustment featureThe Troy Lee Designs D4 Composite MIPS BMX Race Helmet is made of aerospace composite with a slick design that keeps the weight at just 1050g. You want tough and lightweight protection in a helmet and of course 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 help rid your riding experience of the