I cannot comment on how good the Surly cog is- I never used it.
It's 1/32nd, 18T, and for a fixed hub/side of hub.
£10 wins it if you want it.
@Dammit started
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I cannot comment on how good the Surly cog is- I never used it.
It's 1/32nd, 18T, and for a fixed hub/side of hub.
£10 wins it if you want it.