40T 14T: High strength sprocket set.Secure and reliable. Compatible with motorcycle chain.Easy to install and use. Sprocket helps reduce friction when the chain turns on the sprocket teeth. It will helps prevent premature chain wear and prolongs its lifespan. 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.