... 5--7mm thickness 3/HRC40-50 hardness 4/ISO9001 certificate Motorcycle sprocket chain wheel feature:1\high quality steel materials:1045(C45 ... , chromeplate,Sandblasting, Dull polish, Painting, Electrophoresis Paint,black oxide, with the CNC machine line in the surface or as your ... ,XRM,DT125,TS125,GP125,XLR,BZLP,HONDA155 SAMPLE PICTURESPackage: Motorcycle sprocket CG125 /motor bike drive chain wheel set