The Shimano CS-HG51-8 is an 8-speed cassette at the Alivio level. It features Hyperglide technology (HG) for precise, smooth shifting and is designed for touring and MTB riding. Compared to previous 8- and 7-speed cassettes, it is characterised by a lower weight.
- HG cassette with chrome-plated steel sprockets
- quick installation
- lower weight (compared to CS-HG-51-8/HG-40-8/30-8/30-7)
- large sprocket cut-outs for low weight
- chrome-plated lock ring
- Alivio level