... /1045 carbon steel 2/black oxide and polishing 3/harden teeth 4/2,5000 kms running time Motorcycle sprocket chain wheel feature ... zinc, nickel plate, chromeplate,Sandblasting, Dull polish, Painting, Electrophoresis Paint,black oxide, with the CNC machine line in the surface or ... ,RS100,XRM,DT125,TS125,GP125,XLR,BZLP,HONDA155 SAMPLE PICTURESPackage: Motorcycle rear sprocket (C70/C50-36T)