Motocross Helmet Alpinestars S-M3 Radium
The motocross helmet Alpinestars S-M3 Radium is an advanced off-road helmet engineered for MX, enduro, and dirt bike riders seeking outstanding impact protection and cooling performance. Constructed from a specialized thermo-injected polymer blend with targeted variable wall thickness, this motorcycle helmet delivers exceptional shock absorption while maintaining a lightweight profile of approximately 1430 grams. An advanced ventilation network featuring 10 air inlets and 7 exhaust ports ensures constant airflow and efficient heat extraction during demanding rides. Safety is further elevated by Alpinestars' patented low-friction layer, which mimics the body's natural fluids to dissipate dangerous rotational forces during an angled crash. Wear for optimal comfort on the motorcycle a quality pair of goggles that fit smoothly inside the wide eyeport.
Belangrijkste kenmerken
- Shell & Materials: Thermo-injected polymer and polycarbonate shell coupled with a 5-piece, 4-density EPS liner for precision impact absorption.
- Safety Certifications: Fully approved to ECE 22.06 and DOT standards, featuring a reinforced chin bar tested beyond standard homologation levels.
- Rotational Force Management: Patented low-friction inner surface engineered to reduce rotational acceleration directed to the brain.
- Visor Release Mechanism: Patented emergency detachment system allowing the visor to release with predetermined force to protect the neck.
- Emergency Release System: Rapid-removal cheek pads with 3D contoured foam for safe helmet removal by medical personnel.
- Retention System: Soft 25 mm wide textile chin strap secured with sturdy stainless steel double-D rings.
- Ventilation: High-performance airflow through 10 intake ports and 7 exhaust vents for maximum heat dissipation.
- Interior & Ergonomics: Moisture-wicking, washable comfort liner made from recycled materials, featuring built-in hydration tube routing channels.
- Sizes & Fit: Available in sizes S through XL for men and women (unisex).