Product Description roller chain sprockets set motorcycle parts sprocket premium zink sticky wheel set motor 174 engine 15mm bore stainless steel bearing bicycle engine urethane Manufacturer of CZPT , Chain sprockets, wheel and sprocket, drive sprocket, sprocket...
Product Description 1)Typetransmission chain2)Materialssteel: 40Mn(Plate) 30CrMnTi(Pin) 20Mn(Bush) Mn10(Roller) 65Mn(Clip)3)Chain No.428H4)Warranty30000 KMs5)ProcessSand blasting, heat treatment, High speed impact, ...