1.motorcycle sprocket 2.suit for Yamaha, Honda,Suzuki,Kawas ... OEM service. Main information of our motorcycle sprocket, as follows:Specifications:Rear sprocket: 34T/35T/36T/37T/38T/39T/40T ... 49T/50T/51T/52T/53T/54T/55T/56T.etcFront sprocket: 13T/14T/15T/16T/17T.etc415,420,428, ... serviceOthersOEM is welcomed, furthermore, we can produce motorcycle sprocket as your design and drawing Shuangfeng motorcycle ...