I had a Surly cog once. Machined badly. Very noisy and lots of grinding. Deep sixed it. Now it's nothing but Dura Ace up to 16T and Soma for anything larger. Cheaper actually.
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What, Me Worry? - Alfred E. Neuman
I'd like to think i have as much money as brains.
I see the light at the end of the tunnel, but the tunnel keeps getting longer - me