ALPINESTARS SMX-1 R v2 Boots - Black - US 10.5 / EU 45 2224521-10-45 Dr Big 750 1987/89 Power and torque levels have

Power and torque levels have been increased with an extra 1

Patented third and fourth finger-bridge prevents contortion and separation of the fingers

maintenance-free battery

Tapered for clearance of master cylinders and hydraulic clutch assemblies

ALPINESTARS SMX-1 R v2 Boots - Black - US 10.5 / EU 45 2224521-10-45 Dr Big 750 1987/89 Power and torque levels haveA class leading, low cut performance riding boot, the SM 1 R v2 Vented Riding Shoe incorporates a host of technical innovations for improved levels of comfort, fit and durability. Constructed from a lightweight and abrasion resistant microfiber upper with extensive perforations for maximum airflow and breathability, the shoe is also equipped with strategically positioned TPU protectors for abrasion resistance in a key area. The SMX 1 R v2 Vented