Fit For CFMOTO 250NK CF250 40T 14T Motorcycle Front Rear Sprocket Compatible with motorcycle chain. Easy to install and use.Secure and reliable. The sprocket enhances your pit bike’s performance by ensuring maximum power transmission, extending service life, and improving overall transmission efficiency, contributing to smoother and more reliable rides. It delivers maximum power transmission, boasts a long service life, and optimizes transmission performance, making it a durable and efficient component for maintaining or enhancing your pit bike’s functionality.