The
6D Helmets Alterra Full Face Helmet brings next-level protection and comfort to aggressive trail, enduro, and e-MTB riders who demand more from their gear. Designed to balance safety, ventilation, and lightweight performance, it sets a new benchmark for full-face coverage that doesn’t slow you down.
At the core of the Alterra’s protection is
6D’s Omni-Directional Suspension (ODS) system—an advanced design that helps reduce energy transfer from both linear and angular impacts. Combined with an
in-molded carbon fiber chin bar and an optimized vent layout, it keeps riders cooler and safer through long, technical descents and all-day missions. Certified for both
E-bike and
Downhill use, it’s built for the modern rider pushing limits on every ride.
- ODS technology minimizes impact energy for superior head protection.
- Lightweight carbon fiber construction balances strength and comfort.
- Optimized ventilation keeps air moving for comfort on long climbs and hot days.
- Certified for E-Bike, Downhill, and BMX standards for versatile protection.
- Includes travel bag and pad sets for easy transport and fit customization.
- Weight: 710g
For riders who want uncompromising safety without sacrificing comfort or breathability, the
6D Alterra stands out as one of the most advanced full-face helmets on the trail.