Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Blue Black Yamaha Viking Installation of a wind deflector

Installation of a wind deflector further improves aeroacoustics

manufactured to offer best spool capabilities and keeping the known reliability of journal bearings VS Ball bearing

Charging program : 9 stages

The aerodynamic profile has been developed using digital simulation and tested in the wind tunnel for low drag and minimized buffeting

Robust stainless steel frames with vibration-dampening fixings

Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Blue Black Yamaha Viking Installation of a wind deflectorAlpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots Blue Black The SUPERTECH R2 BOOT, Alpinestars' signature racing boot, has been favored by numerous top riders in the Road Racing World Championships to this day, and has been developed based on that proven track record. Developed by Kushitani specifically for racing suits, ProtoCore Leather is beloved by numerous legendary riders for its supple, body adjusting properties, high mobility,