Shimano HG50 7-Speed 13-26 Cassette

• 13,15,17,19,21,23,26 cassette cogs
• HG cassettes work with HG and IG90, 70, 51 and 31 chains
• HG Sprockets deliver fast, quiet and smooth shifts
• Shift ramps and contoured teeth for improved shifting
• Shimano or SRAM 7 drivetrain spacing
• 303g