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The Alpinestars SM3 Radium Helmet is engineered to offer exceptional safety, comfort, and performance for off-road riders. Crafted with advanced materials and innovative design features, this helmet provides reliable protection in demanding riding conditions. Its thermo-injected polymer blend with variable thickness ensures optimal impact absorption while maintaining a lightweight profile, allowing for extended riding without fatigue. The helmet's snug yet breathable fit enhances comfort and stability during intense trails and long rides.
Designed to meet both DOT and ECE 2206 safety standards, the SM3 Radium Helmet guarantees worldwide compliance and safety. The patented visor release system minimizes neck forces by releasing the visor with a precisely calibrated force during impact, reducing the risk of injury. Additionally, the helmet features 10 intake and 7 exhaust ports to maximize airflow, helping to keep riders cool and comfortable even during high-temperature rides.
Alpinestars incorporates their patented low-friction coating on the EPS liner, which reduces rotational forces during oblique impacts, mimicking the brain's natural defense mechanisms with a slip-plane layer for added protection. The helmet's design prioritizes ease of use, providing a secure fit that remains comfortable over extended periods and demanding terrains. Whether you're navigating rugged trails or high-speed off-road courses, the SM3 Radium Helmet offers a perfect balance of safety, ventilation, and rider comfort, making it an essential gear component for serious off-road enthusiasts.
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