Troy Lee Designs D4 Lowrider Carbon MIPS Downhill Helmet

Troy Lee Designs D4 Low Rider Carbon MIPS Downhill Helmet

The D4 is engineered for maximum performance in gravity riding and sets a benchmark in downhill and BMX competition. Its construction prioritizes impact protection, balanced weight, and premium materials to deliver a full-face platform tailored for racing ergonomics. The integrated Mips system, an energy-absorbing EPP chin bar, and anatomically shaped cheek pads with an Emergency Release System reinforce its focus on safety and competitive use. High-flow ventilation, antimicrobial interior materials, and an incremental sizing concept ensure stability, hygiene, and long-distance comfort at speed.

Features:

• Mips® C2 Brain Protection System for rotational-impact mitigation
• Three carbon shell sizes with multiple pad options for incremental sizing
• X-Static and XT2 removable and washable comfort liner with moisture-wicking materials
• 3D cheek pads with Emergency Release System for an anatomical fit
• Precision-mounted headliner with seven anchor points for optimized adjustment
• Updated EPS structure for improved impact performance in critical zones
• EPP Collarbone Impact System with a relief zone to reduce forces in collarbone/shoulder contact
• Front intake ventilation with high-flow polymer grille, side Power-Grid mesh, and a total of 24 vents

Specifications:

• Carbon outer shell in three sizes (XS/S - M/L - XL/XXL)
• Closure: Titanium Double-D ring
• Weight: 1000 g ± 50
• Standards: CPSC 1203 / EN 1078 / ASTM F1952 – DH / ASTM 2032 – BMX (depends on regional standards)
• Equipped with Mips® C2

Contents:

• 1× Troy Lee Designs D4 Low Rider Carbon MIPS Downhill Helmet
• 1× Helmet bag