ALPINESTARS SM5 Helmet - Beam - Black/Gray/Red - Small 8303722-1313-SM E Line Pipe Guard Increase horsepower with proper carburetor

Increase horsepower with proper carburetor calibration

hard-to-reach places

Fitment: Yamaha R3 2015-2017 (or any application needed a 41mm collar)

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

Synthetic suede reinforcement on palm heel with foam backed reinforcements

ALPINESTARS SM5 Helmet - Beam - Black/Gray/Red - Small 8303722-1313-SM E Line Pipe Guard Increase horsepower with proper carburetorLightweight 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