motorcycle chain and sprocket Rear: 34T/35T/36T/37T/38T/39Tetc Front: 13T/ ... /15T/16T/17T. Etc Chains: 415/420/428/428H/520 motorcycle sprocket: Specifications:Model No.: TITAN99. TITIAN2000, CG125, XLR, YBR125, C ... , XL125.....420,428,520, 525, 530 etcMaterial1045 steel, 1023 steel and 16MnSurface-finishingSandblasting, Dull polish, Galvanized, Circular knurling or according to ...