Our product is : Motorcycle sprocket, sprocket set, chain sprocket, gear for all kinds of motorcycle, we have 100 kind ... model no. Main information about our motorcycle sprocket: Specifications:Model No.:TITAN99. TITIAN2000,CG125,XLR, YBR125, C-100BIZ ... ....C100, WAVE, CB125T, A100, YB100, CD80, RC80, XL125.....420,428,520,428H, 525, 530 etcMaterial:1045 steel, 1023 steel and 16MnSurface ...