Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet-Fifty-50 White/Red Helmet Size:Adult Large S-Spec tires conform better to

S-Spec tires conform better to track surfaces for buttery smooth runs

Tightening of axle bolts has absolutely no affect on the bearings

Weight: 462g

HEADSET: FSA integrated conical

Fabric: Faux Leather

Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet-Fifty-50 White/Red Helmet Size:Adult Large S-Spec tires conform better toThe Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet Fifty 50 White Red delivers top tier protection in a lightweight, budget friendly shell. With the same safety and comfort features as its high end counterparts, this helmet includes Mips C2 brain protection and an advanced ventilation system for airflow during intense rides. Its precision fit, impact absorbing design, and emergency ready cheek pads make it a trusted choice for serious racers.