D4 Bike Helmet – Troy Lee Designs

The D4 helmet offers ultimate safety, while keeping the weight down. Look no further for your next Downhill bike helmet. Free shipping on all orders over $99.

Troy Lee Designs / D4 Carbon Helmet W/MIPS

Always Evolving, It wasn't easy to improve upon the class-leading design and function of our D3 helmet, but we made it happen. Built with an

D4 Composite Helmet w/MIPS Shadow

Troy Lee Designs - Helmet D4 Carbon MIPS Saber Red

D4 reigns king atop downhill podiums and freeride events across the globe. Available in carbon and composite, details are what makes the D4 the most

D4 Composite Helmet W/MIPS Matrix Blue

Troy Lee Designs D4 Carbon Helmet w/ MIPS Slash

Troy Lee Designs D4 Carbon Helmet - Lightning Black XL

Troy Lee Designs D4 Composite Helmet W/MIPS Volt Blue

Troy Lee Designs D4 Carbon Slash Helmet-Black/Yellow-X Large

COVERAGE: Carbon fiber shell, EPP Collarbone impact system, chinbar shock pads. 1000 grams VENTILATION: 24 vents- 10 front intake ports, 5 overhead

Troy Lee Designs D4 Carbon Full Face Mountain Bike Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women

TROY LEE D4 COMPOSITE HELMET VOLT RED/BLUE

Troy Lee Designs D4 Composite Helmet w/MIPS Slash - Another Bike Shop

Review: Troy Lee Designs' D4 Carbon Helmet is a Worthy Successor - Pinkbike

Troy Lee Designs D4 Has Landed – Saddleback Elite Performance Cycling

D4 reigns king atop downhill podiums and freeride events across the globe. Available in carbon and composite, details are what makes the D4 the most

D4 Composite Helmet W/MIPS Qualifier White / Blue

Troy Lee Designs D4 Composite Helmet Qualifier White Blue Size Large