This product includes a replacement hub chain sprocket designed for the Losi Promoto-MX platform. The gold-finished sprocket provides a durable and precise drivetrain component that helps maintain smooth and consistent chain drive performance. Its robust construction is engineered to handle the high loads and impacts experienced during motocross-style RC riding. Precision machining ensures accurate chain engagement for efficient power transfer from the motor to the rear wheel. Ideal for maintenance, repairs, or replacing worn drivetrain components on your Promoto-MX motorcycle.