Redline d660, '85 Schwinn Peloton full new ultegra, IRO robroy ss cross bike
single speed gearing
Im thinking about going with the white industries double double because a set up like that i think would be great for a cross bike. My concern is that the way they have it set up would be too low for riding on the road. The larger of the two ratios is 38:16 and that is 2.375 to 1. The other ratio is 35:19 and that is roughly 1.842 to 1. Too low for road riding? Mind that these are on 700 wheels.
Personaly I would get a cassette wheel and a double-ring crank. You can run whatever two rings you want up front and have your choice of cogs in the back. If you have horizontal drops, or track ends, you can have a three or four tooth variance in total tooth count (ring+cog). If you are running a tensioner, you might have to adjust it, but you can get away with different counts, as well. My plan on the monstercross bike (also my commuter) is 42/16 (2.62) for the road and 39/19 (2.05) for the trail.