ALPINESTARS Supertech R10 Helmet - Solid - Gloss White - Medium 8200124-2170-M 16-Gauge Primary Wire DB at Idle 90 /

DB at Idle 90 / DB at 5000rpm 106

Used and tested by top factory teams in racing

Recommended for 117" and larger M8 engines making 140+ horsepower

Technical stretch insert panels on the full length of the sides and the entire length of the inner arms for enhanced fit and optimum rider comfort

ALPINESTARS Supertech R10 Helmet - Solid - Gloss White - Medium 8200124-2170-M 16-Gauge Primary Wire DB at Idle 90 /Outer Shell Utilizes molding technology with a multi composite combination featuring a 3K high density carbon outer layer, a uni directional carbon composite layer, an aramid fiber layer, and a fiberglass one 3K high density carbon outer layer provides strength and efficiency of energy dissipation over the shell Layered composite combination created by bonding everything together with an epoxy resin already applied on the pre preg fiber, perfectly