... . Chain: 415, 420, 428, 428H, 520 etc. Material: 1045 High Carbon Steel(S45C, 45#), SS400(Q235) Surface finishing: Galvanizing, Electrophoretic ... Painting Heat treatment: High frequency quenching and carburizing Packing: Caron Box or as your ... GTO125, GTO110, GARELLIESTR 10R, JUKI DRIB, SMASH100 Motorcycle Sprocket with ISO 9001:2000