Alpinestars Supertech R10 Arius Helmet - Black/White/Double Red Glossy Size - Head Circumference (CM):S (55-56) ECU remapping is not necessary

ECU remapping is not necessary and this silencer is suitable with OEM side cases

Housing: Hard Anodizedand Powder Coated Cast Aluminum

The outer shell of the Schuberth C3 Pro is offered in two helmet shell sizes and combines an aerodynamically optimal shape with excellent protection

Internal protective polystyrene in 4 sizes ( xs | sm | l | xl-2xl)

Alpinestars Supertech R10 Arius Helmet - Black/White/Double Red Glossy Size - Head Circumference (CM):S (55-56) ECU remapping is not necessaryAlpinestars Supertech R10 Arius Helmet Black White Double Red Glossy Developed over more than 10 years of intensive research and testing, the Supertech family represents Alpinestars pursuit of the most advanced, protective, and performance driven helmets for riders worldwide. The Supertech R10 was created in collaboration with MotoGP legend Andrea Dovizioso and riders Jorge Martn and Jack Miller, with a clear focus on delivering the highest level of