Shimano Altus CS-HG31-8 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