Price: $299.99
(as of Aug 28, 2024 13:02:12 UTC – Details)



The reigning king of BMX and downhill full-face bike helmets, the D4 range expands with a Polyacrylite model, packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. 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. This helmet is designed and intended exclusively for bicycling activities, including mountain biking and off-road cycling.
COVERAGE: Polyacrylite shell, EPP Collarbone impact system, chinbar shock pads. 1150 grams
VENTILATION: 24 vents- 10 front intake ports, 5 overhead channeling intake vents, 7 rear exhaust ports
COMFORT & FIT: 3 Shell sizes, 3 EPS sizes, 6 total sizes XS-XXL. Anatomical, quick release “3D†cheek pads
CONVENIENCE: Removable, washable Coolmax-Dri-lex comfort liner. Super light D-rings.
Troy Lee Designs: 40 years of racing for the World’s Fastest Racers