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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.
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