Alpinestars - Supertech M10 Helmet - Era - MIPS® - Gloss Gold/Yellow/Rio Red Leather Jackets No modification to you bike

No modification to you bike is required

Microfiber with micro-injection inserts

and a durable rubber top sole for grip

2) Uni-directional carbon composite layer that gives significantly greater radial strength around the shell

DIMENSIONS: 14

Alpinestars - Supertech M10 Helmet - Era - MIPS® - Gloss Gold/Yellow/Rio Red Leather Jackets No modification to you bikeThe S M10's design offers a smooth, attractive, aerodynamic profile which is streamlined and free of any external channels and features that might act as a load point in an impact or compromise the overall integrity of the helmet's construction Surface curvature promotes reduced friction on impact, allowing deflection and transfer of energy to protect the rider's head from direct force to the skull and referred to the neck and spinal column The S M10