The Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet-Fifty-50 Navy/Glo Yellow 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.

FEATURES

• Mips C2 Rotational Impact Brain Protection System
• 20 high-flow intake and exhaust ports for maximum ventilation
• Added EPS and new headform shape for improved impact performance
• Full incremental sizing for greater range of fitment
• Strategically placed interior chinbar shock pads for comfort and durability
• Quick-release and contoured 3D cheek pads for emergency helmet removal
• Purpose-built internal cavities for audio integration
• Stainless steel chinstrap D-rings are light and strong
• Includes TLD drawstring helmet sock
• Exceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11