Shimano Altus CS-HG31 8-Speed Cassette

Shimano CS-HG31 8-Speed cassettes feature Hyperglide technology for reliable shifting performance and zinc phosphate coated steel gears for added corrosion resistance.

Hyperglide technology provides smooth shifting

Phosphate coated steel gears and lockring

Compatible with Shimano HG and IG chains

Drilled cogs reduces weight