Surly single-speed cassette fit cogs 3/32 – 21 tooth


Single speed cogs for cassette fit freehubs and normal 3/32 chains.
old stock reduced to clear, packaging my be shop soiled.

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The large foot print caused by built-in spacing at the base of these machined sprockets gives a larger foothold on the cassette body,
making these a premium selection for Single Speed use with reduced risk of torque transfer damage to the cassette hub body. (Note: This point is especially important with Alloy or Ti Cassette bodies)

  • CNC machined hardened SCM 415 Cr-Mo Steel.
  • Shimano HG Spline, 9 Speed spaced.
  • Ideal for Single Speed use.
  • Large Anti-Dig footprint on cassette body.
  • Chrome Plated

Additional information

number of teeth

19, 21


99 g