Originally Posted by chunts

I converted an old raliegh super-course to singlespeed and the only thing I would advise on is that switching to 700c tires the bottom bracket sits a little low. I have once or twice struck pedals while rolling over big speed bumps and the like, but not (yet) on a corner. but its low enough the toe clips drag if i'm just walking the bike along. this is with 170mm cranks.