Alpinestars Supertech M5 Solid Helmet Size:XL Replace the unpredictable OEM hydraulic

Replace the unpredictable OEM hydraulic chain tensioner with the Tusk Automatic Chain Tensioner

zipper-free drop tail

legal limit of 2 watts

Compatible with wireless charging¹

Alpinestars Supertech M5 Solid Helmet Size:XL Replace the unpredictable OEM hydraulicFEATURES Constructed from a special lightweight and impact resistant thermo injected polymer, results in a significantly lighter helmet with increased structural strength and outer shell uniformity in two outer shell sizes Inner shell includes multi density advanced EPS construction for optimal impact absorption performance in three sizes Features two concepts for impact energy management including a resin coated inner shell surface that noticeably