... motorcycle chain material:40mn standard:ISO/ANSI/DIN fast delivery 415 good quality motorcycle roller chain,1)material:40mn2)color : nature ... ),B series (9.525-50.8mm pitches)2)motorcycle chains :415,415H,420,420H,428,428H,520,520H,6303)short pitch ... :2040,2042,2050,2052,2060,2062,2080,2082 and with H series5)agricultural chains:C212A series,ZGS38 combine chain series,3558T ...