ALPINESTARS Supertech M8 Helmet - Echo - MIPS® - Black/Gray - XL 8302621-1146-XL racer you can push the limits

you can push the limits of LOUD without sacrificing your quality

and the 82-GM4 Adapter: for replacing the 6 x 9” speakers placed in the front of the vehicle

as well as breathability

46-0132 120/130/90 X 17 inch Tube Center Valve Metal Stem Reference #'s (if available): 40593-09 Can't find what you need

ALPINESTARS Supertech M8 Helmet - Echo - MIPS® - Black/Gray - XL 8302621-1146-XL racer you can push the limitsLightweight outer shell is constructed from technologically advanced composite materials for best fit Multiple density inner liner Fitted with E 2, latest generation of MIPS, integrated low friction layer designed to reduce rotational motion transferred to the brain from angled impacts to the head Visor attached to the helmet shell with patented system that will allow easy release in case of crash Adjustable top pad height (Alpinestar's patented A