Troy Lee D4 MIPS Bike Helmet – Lightweight Composite MTB Protection

Troy Lee Designs D4 Composite Freedom 2.0 MIPS Helmet: Redefining Performance & Safety

For downhill mountain bikers and BMX riders seeking cutting-edge protection without compromise, the D4 Composite Freedom 2.0 MIPS Helmet delivers unmatched performance. Crafted from an engineered aerospace-grade composite shell, this is Troy Lee Designs’ lightest DH/BMX race helmet yet—clocking in at just 1050g (±50g for size M)—to ensure all-day comfort during grueling trails or high-speed BMX runs.

Advanced Protection Meets Breathability
Equipped with the MIPS C2 brain protection system, this helmet mitigates rotational forces from angled impacts, enhancing safety in critical moments. Its ventilation system takes airflow to new heights with 24 strategically placed vents: 10 front intake ports draw cool air in, while 5 overhead channels circulate it across your scalp and 7 oversized rear exhaust ports expel heat efficiently—ideal for intense downhill descents or prolonged BMX sessions.

Custom Fit for Any Rider
Achieve a precision fit with three shell sizes and three EPS liner options (totaling six size ranges from XS to XXL). The anti-microbial XT2® cheek pads wick moisture away for long-lasting comfort, while the X-Static® headliner’s seven anchor points secure the helmet effortlessly. A unique EPP collarbone impact system absorbs force in the lower center area—where shoulder collisions often occur—reducing strain on your body during crashes.

Built for Every Challenge
Included is a durable drawstring helmet bag for easy transport and storage. Backed by a 3-year warranty and certified to rigorous standards (ASTM F1952 DH MTB, ASTM F2032 BMX, CPSC 1203, CE EN 1078, AS/NZS 2063), this helmet meets global safety expectations while outperforming competitors in weight and ventilation.

Whether you’re conquering technical trails or hitting BMX jumps, the D4 Freedom 2.0 combines innovation and reliability to keep you at the top of your game.

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