ALPINESTARS SM5 Helmet - Beam - Black/Gray/Red - Small 8303722-1313-SM E Line Pipe Guard then bell out to 4

then bell out to 4

hard-to-reach places

Increase horsepower with proper carburetor calibration

Chest and back compartments are designed to accommodate the Alpinestars Nucleon chest and back inserts

ALPINESTARS SM5 Helmet - Beam - Black/Gray/Red - Small 8303722-1313-SM E Line Pipe Guard then bell out to 4Lightweight 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