... forging and has 27 years' manufacture experience Motorcycle sprocket chain wheel feature:1\high quality steel materials:1045(C45 steel)2 ... belt furnace and carburizingSurface finishingPlate zinc, nickel plate, chromeplate,Sandblasting, Dull polish, Painting, Electrophoresis Paint, with the CNC machine line in ... DT125,TS125,GP125,XLR,BZLP,HONDA155 Motorcycle sprockets and chain wheel gear teeth hardened