ALPINESTARS SM5 Helmet - Venture - Black/Bordeaux/Yellow/Glossy - Medium 8305122-1358-MD pretty 36" Replacement Diaphragm: PRO-TW3VC

36" Replacement Diaphragm: PRO-TW3VC

11-0584 Rocker Box Breather Element Reference #'s (if available): 63815-99 Can't find what you need

From its impeccable design to its uncompromising quality

Designed to provide thumping power that shakes everyone’s mirrors

ALPINESTARS SM5 Helmet - Venture - Black/Bordeaux/Yellow/Glossy - Medium 8305122-1358-MD pretty 36" Replacement Diaphragm: PRO-TW3VCLightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic The inner and outer surfaces are engineered to minimize the effects of oblique impacts Multiple density inner liner to ensure the correct density in the correct area for enhanced impact absorption Patented visor release system ensures the visor is released with the correct predetermined amount of force, irrespective of the angle of impact Maximized