Originally Posted by BruceMetras

A nice option, and one that I provided to a good friend who had a Tikit, is a Schlumpf Speed Drive 2 speed crank.. you could run a conventional tighter 9spd cluster in the rear (I like 11 -28 ) a short cage rear derailleur for extra ground clearance and a more normal sized chain ring.. with a 46t 11-28 on 349 wheels, you would get around 27 to 116 gear inches ..

I have a couple of Speed Drives on the shelf at good price.. PM me if interested..