Alpinestars - Supertech M5 Helmet - ACT K-Type-Communication Systems Outer tube can be installed

Outer tube can be installed with wire or glue on base grip

Magnetic Visor Release System (MVRS™) is designed to release in the event of a crash

2000 HONDA XR50R

Optimized knobs for enhanced grip and traction

Alpinestars - Supertech M5 Helmet - ACT K-Type-Communication Systems Outer tube can be installedThe all new SM5 helmet is the result of more than five years of intensive study, development and testing. We scrutinized every possible aspect to engineer a helmet that is safe and thoughtfully designed to deliver optimal protection and comfort. This lightweight helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact