## Rear Sprocket 520 46 Teeth JT Sprockets JTR857 The JT Sprockets JTR857 rear sprocket is a high-quality component for motorcycles and scooters, guaranteeing optimal power transmission. Made of durable C49 steel (High Carbon Steel), it ensures long life and resistance to wear, even under demanding operating conditions. ### Precision and Durability The sprocket has 46 teeth, which, combined with the 520 chain size, ensures smooth and precise power transfer. The central hole diameter is 125mm, and the mounting bolt hole diameter is 10.5mm, guaranteeing easy and secure installation. The bolt circle diameter is 145mm, which is crucial for proper fitment to the wheel hub. ### JT Sprockets Quality JT Sprockets is a renowned sprocket manufacturer known for the high quality of its products. The JTR857 sprocket is an excellent choice for motorcyclists who value reliability and precision. Crafted with attention to detail, it provides optimal operating parameters, contributing to better performance and riding comfort. ### Key Features: * **Material:** C49 Steel (High Carbon Steel) * **Number of Teeth:** 46 * **Chain Size:** 520 * **Center Hole Diameter:** 125mm * **Mounting Bolt Hole Diameter:** 10.5mm * **Bolt Circle Diameter:** 145mm By choosing the JT Sprockets JTR857 sprocket, you are investing in quality and durability, which translate into trouble-free operation of your motorcycle or scooter.