Alpinestars Supertech R10 Solid Helmet - White Glossy/Black Matte Size - Head Circumference (CM):M (57-58) Protector cells are bridged together

Protector cells are bridged together

wet and cold conditions

The LP9 Sport is perfect for enthusiasts that want a full size light with modern styling and advanced features

A pre-load support bracket is included to ensure stiffness in the most extreme terrain

Alpinestars Supertech R10 Solid Helmet - White Glossy/Black Matte Size - Head Circumference (CM):M (57-58) Protector cells are bridged togetherAlpinestars Supertech R10 Solid Helmet White Glossy Black Matte The result of over 10 years of intensive study, development, and testing, the goal of the Supertech family of helmets is to create the most advanced, protective, and performance enhancing helmets possible for racers and riders worldwide. Following years of extensive research, development, and testing of the Supertech R10 road racing helmet by Alpinestars Helmet Product Development