Main information as follows, for more information, pls contact us freely.1. Passed ISO 9001: 2000 standard.2. OEM motorcycle sprocket factory.3. Durable in use and nice.4. More than 15 years experience.Specification: Front: 12T/13T/14T/15T/16T/17T, etc.Rear: 35T/36T/37T/38T/39T/40T/41T/42T/42T/43T/50T/54T, etcChain: 420, 428, 428H, 415, 530Material: A3#steel (Q235), 45#steel (1045), or 1023.Surface treatment: Sand blasting, Dull Polish, Galvanization, Chrome plating, Electrophoresis plating, Spraying, etc.Heat treatment: High frequency quenching, carburization, etcPacking Blister card, Slide blister, Plastic bags, Carton, Vacuum packing, etc. Or as you like.Main markets: Eastern Asia, Southeast Asia, MID east, Africa, South America.Remark: All above can be made as your request, and we can produce as your sample.5. Logo: Customer's logo can be accepted.There are various kinds of motorcycle sprockets in our factory, and our products are professionally matched to Honda, SUZUKI, YAMAHA, KAWASAKI, and so on.