【High quality material】: The Engine Sprocket is Made of SAE1045 Steel, which has the Characteristics of High Strength and Hardness, Strong Toughness and Deformation Resistance. It is very Suitable for Making Sprocket and Installing them on Machines.
【Product Specifications】: Front Engine Fixed Small Sprocket with 13 Internal Teeth and 520-17 External Teeth. The Installation Size is 21.7*25 mm.
【Packaging List】: A 520 8.5mm 17T Front Sprocket.
【Tips】: Before Purchasing a Product, Please Carefully Check the Pictures and Product Description to Ensure that it Meets your Needs. If you are Unsure, you can Consult with your Engineer before Making a Purchase.