The Shimano Alivio HG-51 11-30T 8-Speed MTB Cassette is an original Shimano part that guarantees that all components work perfectly for optimum performance and maximum safety and longevity. It features Hyperglide (HG) technology for precise, smooth shifting and is designed for trekking and MTB use.
- Steel Chrome-Plated Sprocket
- Chrome-Plated Lock Ring
- HG/IG 8-speed chain compatible