Constructed of 1045 series high carbon steel with an exclusive heat treatment process for added strength and wear resistance. The zinc plating and baked on paint process helps achieve a great, long lasting appearance. The strongest and longest lasting standard steel rear sprocket available, also trusted by Japanese OEM's since 1946. Uses high carbon, 1045 steel materialExclusive heat treatment process for added wear and strengthZinc plating and baked on paint process for long lasting appearanceStrongest and longest lasting standard steel rear sprocket availableModel # 2130836.
