500 AF Delrin with Teflon

454% range

It features TPU toe and heel protection with a reinforced anti-abrasion film and a heel pull tab for easy entry

Floating axle for minimum friction

TLD D4 Composite Helmet - M/L - Lowrider Grey Heavy/Bulky  500 AF Delrin with TeflonD4 reigns king atop downhill podiums and BMX events across the globe. Available in carbon, composite and polyacrylite. Details are what makes the D4 the most coveted full face in mountain biking. Prioritising safety while balancing weight through premium construction and materials, D4 incorporates Mips protection with an EPP chin bar and anatomical cheek pads with emergency release. Features Mips C2 Rotational Impact Brain Protection System Offered in