SM5 Mineral Helmet from stage active The Bionic Kickstart Knee Guards

The Bionic Kickstart Knee Guards feature a lightweight and protective articulated knee and shin guard

moving naturally

Alpinestars’ essential go-to shorts for all MTB activities

kneeling or standing

while its utilitarian aesthetic looks great in any urban environment

SM5 Mineral Helmet from stage active The Bionic Kickstart Knee GuardsThe 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