Certificate of quality and quantity motorcycle sprocket 1) Durable in use 2) Delivery in time 3) ISO9001 My company's advantage: 1) National standard,quality guarantee,long lasting working life time 2) Product is processed by using SAE1045 steel or SAE1023 steel and Japan heat-treatment technologies and equipment 3) Ultrastrong hardness and abrasion resistance 4) Special surface treatment 5) Competitive price About our company: As an enterprise mainly involved in producing chain wheels formotorcycles ,as well as the gear wheel parts for vehicles, Renqiu Shuangkun Machinery Parts Co.Ltd,also owns a history of over ten years.The products variety is more than 500, while the annual production is 22,000,000 sets,and its surface processing techniques cover electrophoresis painting, galvanizing and roast painting.Its products are mainly exported to South America,South Africa and Southeast Asia,and can be used for the vehicles of famous brands in China.The main technical specifications of its products list at the front among the same kinds of products. We assure you our dear customers that we will provide the first class products for you Specifications Front:12T/13T/14T/15T/16T/17T Rear:35T/36T/37T/38T/39T/40T/41T/42T/42T/43T/44T/45T/46T/47T/48T/49T/50T/51T/52T/53T/54T Chain:420,428,428H,415,520,530 Material A3 steel 45#steel Heat treatment High frequency quenching Carburization Surface treatment Sand blasting Dull polish Galvanization Chrome plating Painting Electrophoretic plating Packaging Blister card, Slide blister, Plastic bags, Carton, Vacuum packing, Sprockets and chain set box, or as you like Main markets Southeast Asia, Mid east, South America, Africa Others Our products' designs and patterns are improved according to the world market, and OEM service is offered. Model For Honda BIZ100 ,BIZ125 , C70 ,C100 ,C100-BIZ ,CB100 ,CB125 ,CB250N ,CBX150 CBX200, CD70, CD100, CD125, CG125, GS125 Model For Suzuki A50 ,A80 ,A100 ,AX100 ,AX115 C70 ,C90 ,CN125 ,FR100 ,GT50 ,GP100 , GP125 , GN125 Model For Yamaha AG100, DT100, DT125, DX100, FS80, GT50, GT80, JUPITER Z, JUPITER MX, RD50, RS100, RX50, RX100, RXK, YB100,YBR125 Model For Kawasaki DAELIM LIBERTY GTO125, KAZE-R, GT0110, GARELLIESTR 10R, JUKI DRIB, SMASH110