industrial chain wheel Standard motorcycle chain, All types are avaible. industrial chain wheel,sprocket stainless Sprocket,platewheel, ... series.standard sprocket, idler sprocket, stainless steel sprocket,chain sprockets etcMaterial: C45, A3 steel. other material is ... requestment.type: 08B, 10B, 12B, 14B......, in single, double, triple row.ANSI, ISOTreatment: forging, hobbing, blackening, quenching. ...