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The Alpinestars SM3 Radium Helmet is engineered to deliver exceptional safety, comfort, and performance for off-road riders. Constructed with a thermo-injected polymer blend, this helmet offers robust impact protection while maintaining a lightweight profile essential for extended riding sessions. The helmet features a snug yet breathable fit, ensuring comfort during intense trail adventures and long-distance rides. Its aerodynamic design enhances stability at high speeds, making it an ideal choice for serious off-road enthusiasts.
Equipped with advanced ventilation, the SM3 Radium Helmet boasts 10 air inlets and 7 exhaust ports that facilitate maximum airflow and efficient heat dissipation, keeping riders cool in demanding conditions. The helmet's innovative visor release system minimizes neck strain by releasing the visor with a calibrated force during impact, improving safety and reducing injury risk. Additionally, the helmet incorporates Alpinestars’ patented low-friction coating on the EPS liner, which helps absorb rotational forces from oblique impacts, providing an extra layer of protection.
The SM3 Radium Helmet conforms to both DOT and ECE 2206 safety standards, ensuring reliable performance and safety adherence worldwide. Its slip-plane layer mimics the brain’s natural defense mechanism, offering enhanced protection against rotational injuries. Designed with ease of use in mind, this helmet facilitates quick and secure adjustments, making it suitable for both casual trail riders and competitive off-road athletes. Whether tackling challenging terrains or enjoying leisure rides, the Alpinestars SM3 Radium Helmet offers the safety features and comfort you need for confident off-road adventures.
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