Originally Posted by
Training.Wheels
This is exactly what's going to happen. I would only get an eccentric hub if I somehow inherited a very expensive road frame and figured it would look good as a fixed gear, and even then I'd rethink it. I'd say just do it right the first time around.
I still think it wouldn't be be a problem considering the half link, room in the dropouts, and cog size. If I wanted to get reallllllllyy technical, I think there's a chain length/ gear ratio on some website (Sheldon Brown's?)