bicycle stem strength-Shimano CS-HG81-10 10-Speed Cassette Cog -11t Built In Spacer Type For bj/bk-Group

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Shimano CS-HG81-10 10-Speed Cassette Cog -11t Built In Spacer Type For bj/bk-Group. Shimano replacement cogs for CS-M8100 12-speed cassettes.
  • TECH SPECS
Tooth Count 11Drivetrain Speeds 10Material Steel