Troy Lee Designs D4 Composite BMX Race Helmet-Royalty Black/Gold Helmet Size:Adult Small and an internal spline system

and an internal spline system provides a -10

Precision sealed mechanism bearing

2mm diameter at the grip area to 31

Dual layer perforated and thermoformed EVA (Ethylene Vinyl Acetate) foam padding in the chest shields from painful roost and branches

Troy Lee Designs D4 Composite BMX Race Helmet-Royalty Black/Gold Helmet Size:Adult Small and an internal spline systemThe Troy Lee Designs D4 Composite BMX Race Helmet Royalty Black Gold offers premium protection with an aerospace engineered shell that keeps weight low without compromising strength. Featuring Mips C2 technology for rotational impact protection and a carefully designed ventilation system, this helmet ensures comfort and airflow during intense rides. Inside, X static and XT2 anti microbial padding help maintain freshness, while emergency ready cheek