ALPINESTARS SM7 Helmet - Solid - Gloss White - XL 8301426-2180-XL traditional 4D handles a thunderous 2000W

4D handles a thunderous 2000W of RMS power and a staggering 4000W of MAX power

Measurements Mounting Cut-Out: 10

Thermoplastic Polyurethane (TPU) features is combined with ventilation zones and a new air flow system sole for breathability and superior ventilation

50-0050 Standard Detachable Sissy Bar Black Reference #'s (if available): 54247-09A Can't find what you need

ALPINESTARS SM7 Helmet - Solid - Gloss White - XL 8301426-2180-XL traditional 4D handles a thunderous 2000WEngineered for off roading racing, and is optimized to offer the perfect blend of superior ventilation and comfort in a lightweight, helmet while its supremely aerodynamic composite shell delivers exceptional impact protection A Head Fitment and Visor Detaching System, the SM7 is equipped with PLASMA technology at the lower side of the shell edge for optimum energy dissipation in case of contact with the collar bone area Key Features Aerodynamic