Alpinestars - SM-5 Helmet - Rash Color:Grey/Red Engineered in a simple way

Engineered in a simple way just to the be the strongest

For the backcountry enthusiasts

Designed to work offline and without service using Bluetooth

Preload adjuster 15000-02 fits this shock

Alpinestars - SM-5 Helmet - Rash Color:Grey/Red Engineered in a simple wayThe SM5 helmet has been designed to provide MX riders with a helmet that is safe and purposefully designed to deliver optimal protection and comfort. The lightweight SM5 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 protection and light weight, while the five density EPS liner ensures the correct density in the