ALPINESTARS SM5 Helmet - Bond - Black/Red/Cyan - XL 8303522-1377-XL Gas Cap Gasket The base of the Supertech

The base of the Supertech M8 helmet has been sculpted to give a relief section

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organic shape and uses Peripherally Belted Complex Laminate Construction (PB-cLc2) for lightweight strength and integrated side ducts

wave washer

ALPINESTARS SM5 Helmet - Bond - Black/Red/Cyan - XL 8303522-1377-XL Gas Cap Gasket The base of the SupertechLightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic The inner and outer surfaces are engineered to minimize the effects of oblique impacts Multiple density inner liner to ensure the correct density in the correct area for enhanced impact absorption Patented visor release system ensures the visor is released with the correct predetermined amount of force, irrespective of the angle of impact Maximized