Alpinestars Supertech R10 Arius Adult Street Helmets suits UV-treated 300D polyester waterproof fabric

UV-treated 300D polyester waterproof fabric

and performance over its predecessor

Assembled with constant viscosity synthetic grease

3301-3519-PU

Alpinestars Supertech R10 Arius Adult Street Helmets suits UV-treated 300D polyester waterproof fabricAlpinestars Supertech R10 Arius Adult Street Helmets 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 Department,