Shimano CJ-7S40 cassette joint is designed to enhance your cycling experience by providing smooth and efficient braking. Compatible with sprockets ranging from 16T to 22T, this cassette joint offers versatility for various riding styles. Its user-friendly design allows for easy installation and adjustment, ensuring a secure fit to your bike's frame. With its durable construction, the Shimano CJ-7S40 guarantees reliable performance, giving you peace of mind during your rides.