Adult Mountain Bike Downhill BMX Helmet W/MIPS

The D4 range, the reigning king of BMX and downhill full-face bike helmets, expands with a Polyacrylite model, packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. This helmet is exclusively designed and intended for bicycling activities, including mountain biking and off-road cycling.

Details make the D4 the most coveted full-face in mountain biking, including MIPS C2 protection, an air intake system for ventilation, and an unmatched anatomical fit. The Polyacrylite shell, EPP Collarbone impact system, and chinbar shock pads provide comprehensive coverage.

The D4 boasts 24 vents, with 10 front intake ports, 5 overhead channeling intake vents, and 7 rear exhaust ports, ensuring exceptional ventilation. For comfort and fit, the helmet comes in 3 shell sizes, 3 EPS sizes, and 6 total sizes from XS to XXL, with an anatomical, quick-release "3D" cheek pad design.

Convenience features include a removable, washable Coolmax-Dri-lex comfort liner and super-light D-rings, making this helmet a practical choice for mountain bikers and off-road cyclists.

Troy Lee Designs, with 40 years of racing experience, has crafted this helmet for the world's fastest racers, ensuring that the D4 delivers uncompromising performance and protection.

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