Motorcycle Sprocket 1.Material:steel 2.MOQ:100 pieces 3.Good quality ... ~10. Outermeter:6~800mm. We can supply types and sizes sprocket by your requirement. Standard and nonstandard. Metric system, British system ... , cast iron, forged steel, stainless steel, alloy steel, plasitc, POM, aluminium alloy, zn alloy, bronze, brass, chrome. Surface treatment: Carburizing, hardening ...