RK Vortex Gld O-Ring Blk QA Chain and Sprocket Kit for SUZ GSX-R750 00-03 RK Chain Model: GB520GXW-110 RK Chain Type: Gold O-Ring Vortex Front Sprocket: Steel 16 Tooth Vortex Rear Sprocket: Black Alum 42 Tooth Bike's Stock Gearing: 17-42