... )long lasting working life time 5)competitve motorcycle chian kit Motorcycle rear sprocket, motor sprocket, sprocket wheel, motorcycle sprocket wheel, motor sprocket wheel, inner ... .Heat treatmentHigh frequency quenching and carburization.Main ModelSprocket Model For Honda:BIZ100,BIZ125, C70,C100,C100-BIZ,CB100,CB125,CB250N, CBX150,CBX200,CD70 ...