Motorcycle chain,material advantages 1. plate :45Mn 2. bushing :20CrMnMo 3. roller: 10# steel 4. pins:30CrMnTi CT100 motorbike chain 1.Material:#45MN2.Has ... packing in PP bag,white inner box, then pack in standard export carton or wooden case,also can packing as your ... ,420,428,520,525,530,630Reinforced Chain Model:415H,420H,428H,520H,525H,530HHD Non-O-Ring Chain Model:428HD,520HD,525HD,530HD ...