... (1023), 45#steel(1045), 16Mn Motorcycle Inner Sprocket. Motorcycle rear sprocket, motor sprocket, sprocket wheel, inner sprocket, set sprocket,Motor gear, motor front gear, motor rear ... meet your requirement as per your sample, specification and drafts. Teeth OptionFront sprocket teeth option: 12T/13T/14T/15T/16T/17T, etc. Meterial ...