... /ANSI 3.Manufacturer and OEM are both ok! ROLLER CHAIN MANUFACTURER 1.Chain material:40MN,A3 ... ,SS3042.Standard:ISO/DIN/ANSI3.Manufacturer and OEM are ... chain with attachments3.Motorcycle Chains: 25H (04CH), 415, 415H, 420, 420H, 428, 428H, 520, 520H, 530, 530Ha. O-Ring and ... ,41NP,40NP,50NP9. Coupling chains The Chain technic treatment is as below:1.Shot ...