Shimano HG-31 8 Speed Mountain Bike 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\\
• Cogs: 11-13-15-18-21-24-28-32
• Cogs: 11-13-15-17-20-23-26-34