## Rear Sprocket 520 40 Teeth JT Sprockets JTR857 The JT Sprockets JTR857 rear sprocket is a high-quality component for motorcycles and scooters, guaranteeing reliability and long life. Made of C49 - High Carbon Steel, it provides exceptional strength and wear resistance. Ideal for demanding users who value precision and high quality. ### Technical Parameters: * **Chain Size:** 520 * **Number of Teeth:** 40 * **Material:** C49 - High Carbon Steel * **Mounting Bolt Hole Diameter:** 10.5mm * **Center Hole Diameter:** 125mm * **Bolt Circle Diameter:** 145mm ### Why choose a JT Sprockets sprocket? JT Sprockets is a renowned manufacturer of motorcycle parts, known for the high quality of its products. JT Sprockets are designed to provide optimal performance and durability. Precise manufacturing and the use of durable materials guarantee trouble-free operation for a long time. By choosing the JT Sprockets JTR857 sprocket, you are investing in the reliability and safety of your motorcycle or scooter. ### Compatibility: The sprocket is compatible with 520 size chains. Before purchasing, make sure the size is compatible with your motorcycle or scooter. ### Summary: The JT Sprockets JTR857 rear sprocket is an excellent choice for those looking for a solid and durable component. It ensures smooth and precise operation of the drive system, and the high quality of workmanship guarantees a long service life. Choose JT Sprockets and enjoy trouble-free riding.