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
• Cassette Body Type:Shimano/SRAM 8, 9, 10 Speed
• Drivetrain Speeds:8
• Defined Color:Black
• Cassette Cogs:11-13-15-18-21-24-28-32
• Range:11-32