Troy Lee Designs D4 Helmets for Mountain Biking MTB BMX

D4 dominates downhill and freeride scenes worldwide, offered in carbon and composite. Its meticulous design sets it apart, balancing safety and weight with MIPS protection, EPP chin bar, and emergency-release cheek pads.

• ULTIMATE PROTECTION: The Troy Lee Designs Stage D4 Carbon Helmet features a carbon fiber shell and advanced MIPS (Multi-directional Impact Protection System) technology, providing unparalleled protection and reducing rotational forces during impacts. Exceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11. Not intended for use with motorized vehicles.
• LIGHTWEIGHT AND COMFORTABLE: Engineered with a lightweight carbon fiber construction, this helmet offers exceptional comfort and reduces fatigue on long rides. Enjoy the perfect balance of strength and weight savings for all-day wear.
• EXCEPTIONAL VENTILATION: Equipped with an innovative ventilation system, including 24 strategically placed intake and exhaust ports, the D4 Carbon Helmet ensures optimal airflow, keeping you cool and comfortable even in the most demanding conditions.
• PREMIUM FIT AND FEATURES: The D4 Carbon Helmet includes a moisture-wicking, removable, and washable liner for enhanced comfort and hygiene. Its precision fit, adjustable visor, and Fidlock magnetic buckle system provide convenience and a secure fit, making it the ideal choice for serious riders.
• TROY LEE DESIGNS: We are driven by creative horsepower, an intense competitive spirit with a love for riding and racing. We have a deep passion for innovation, safety and performance while always exceeding artistic boundaries. Our mission for the last 40 years is to create revolutionary speed equipment for the worlds fastest racers and enthusiasts while ensuring that every product reflects the tld signature.