ALPINESTARS Supertech M10 Helmet - Ampress - MIPS® - Matte Black/White - 2XL 8300823-1121-2X Speed Signal Converter mounting bolts and a 12V

mounting bolts and a 12V 55/60W H4 bulb

mounting brackets and exhaust tips

Scroll down for sound and installation videos

Extended stretch area on crotch

plus internal waterproof wallet/document pocket

ALPINESTARS Supertech M10 Helmet - Ampress - MIPS® - Matte Black/White - 2XL 8300823-1121-2X Speed Signal Converter mounting bolts and a 12VThe S M10's design offers a smooth, attractive, aerodynamic profile which is streamlined and free of any external channels and features that might act as a load point in an impact or compromise the overall integrity of the helmet's construction Surface curvature promotes reduced friction on impact, allowing deflection and transfer of energy to protect the rider's head from direct force to the skull and referred to the neck and spinal column The S M10