Description
Troy Lee Designs – D4 Polyacrylite Linear MIPS Helmet (MTB)
D4 Polyacrylite Linear MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The Polyacrylite shell helps keep the price more approachable while still delivering the coverage riders expect. The Linear treatment gives this helmet a more individual feel than a plain solid option. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.
It is shaped for modern off-road mountain biking, with the secure feel, airflow, and coverage riders look for when the route mixes climbing, descending, and repeated hits through rough sections.
Why We Like It: it gives riders a stable feel on rough descents without turning every climb into a chore.
Why It’ll Work for You: This is a strong pick when you want a mountain bike helmet that feels at home on everything from rough local descents to destination riding.
Variants / Options: multiple sizes and colorways available; check the selector for current stock.
Key Features:
- Troy Lee Designs – D4 Polyacrylite Linear MIPS Helmet (MTB)
- The reigning king of full-face 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 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.
- Mips® C2 Rotational Impact Brain Protection System
- Advanced Polyacrylite shell construction
- Front air intake system, with high flow through polymer center and power grid side mesh
- Collarbone Suspension System
- Breakaway visor screws
- Anti-microbial padding
- Quick release contoured 3D cheek pads for anatomically optimized fit
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