Surly Single Speed Cogs.Designed as a singlespeed cog but may also be stacked and used with 9-speed shifter. Multi gear use will result in slower less crisp shifting than cogs designed for multi-gear systems Fit Shimano freehub splines SCM 415 hardened chromoly steel Photo for color and material reference only
| Tooth Count | 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 |
| Cassette Body Type | Shimano HG 7-Speed |
| Drivetrain Speeds | Single Speed 3/32" |
| Material | Steel |
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