Went ahead and bought a 22t cog from Jenson. Also picked up a 710 chain, but that's going on the steamroller and the 410 on the steamroller will end up on the superbe.
I really have grown to like this bike. Now I need to resolve the rear light and the key for the fork lock. It gets all kinds of attention I never would have anticipated.
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Shimano : Click :: Campy : Snap :: SRAM : Bang