Shimano Alivio CS-HG51 Cassette - 8 Speed, 11-30t, Silver
Shimano CS-HG51 8-Speed cassettes feature Hyperglide technology for reliable shifting performance and chrome plated steel gears for added corrosion resistance. Hyperglide technology provides smooth shifting Chrome plated steel gears and lockring Compatible with Shimano HG and IG chains Drilled cogs reduces weight