Our Motorcycle Chain Sprocket is fit for 420.428.520 chain, professionally matched with SUZUKI,HONDA,YAMAHA,KAWASAKI... The main information of our Motorcycle Chain Sprocket is as follows:Specifications:Rear sprocket: 34T/35T/36T/37T/38T/39T/40T/41T/42T/43T/44T/45T/46T/47T/48T/49T/50T/51T/52T/53T/54T/55T/56T.etcFront sprocket: 13T/14T/15T/16T/17T.etc415,420,428,428H,520.etcRaw-materialsQ345B(45 ...