The Shimano Ultegra CS-HG800 11-Speed Cassette 11 – 34T offers smooth and efficient gear changes with its 11-speed design. Constructed with durable materials, it provides long-lasting performance. With a wide range of gearing options, it’s perfect for a variety of terrain. Upgrade your cycling experience with the Shimano Ultegra CS-HG800 11-Speed Cassette.