Troy Lee Designs D4 Composite Helmet w/Mips - Drip ltp Led by Air Support™ Back

Led by Air Support™ Back Panel that's designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back

semi-transparent tape for precise application & allows you to locate the valve hole easily

The Universal Derailleur Hanger (UDH™) consolidates thousands of mountain bike derailleur standards

offering better control

Multitensor 8-12nm

Troy Lee Designs D4 Composite Helmet w/Mips - Drip ltp Led by Air Support™ BackAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X static