Shimano Alivio CS-HG51 8-Speed Cassette

Solid 8-speed cassette for HG or IG chains. HG cassettes are also compatible with Shimano IG-chains and they care for silent and fluent gearshifting.

Features

• Sprockets are cut away to reduce weight without reducing rigidity
• 8 Speed
• Corrosion-resistant steel cassette lock ring