... #), 16Mn etcHeat treatmentHigh frequency hardening on the teeth for 1045 steelCarburization for 1023 steel (plain iron)Front sprockets are hardened ... white,gray,yellow,blue,white,five color etc◊◊◊MODELModel For Honda BIZ100,BIZ125,C70,C100,C100-BIZ,CB100,CB125,CB250N ... Ltd is a major manufacturer specializing in motorcycle sprocket products for 17 years. We have many collaborative projects in Southeast ...