ALPINESTARS SM5 Helmet - Venture - Black/Bordeaux/Yellow/Glossy - Medium 8305122-1358-MD pretty 35-inch driver features a titanium

35-inch driver features a titanium compression diaphragm's RMS rating states a handling of 80w AES and 320w Peak power

8220-20 Chrome Head Bolt with Washer Reference #'s (if available): Can't find what you need

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

36" Replacement Diaphragm: PRO-TW3VC

with each touch of the button the next level is chosen

ALPINESTARS SM5 Helmet - Venture - Black/Bordeaux/Yellow/Glossy - Medium 8305122-1358-MD pretty 35-inch driver features a titaniumLightweight 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