RK Vortex O-Ring Stl OE Chain and Sprocket Kit GSF1200 01-05 /S Bandit /S 97-05 RK Chain Model: 530GXW-110 RK Chain Type: Gun Metal O-Ring Vortex Front Sprocket: Steel 15 Tooth Vortex Rear Sprocket: Steel 45 Tooth Bike's Stock Gearing: 15-45