I'm considering converting one of my 25" framed bikes originally meant for either 27 or 700c (can't remember which) wheels to 650b so I can run a 32-38ish tire. I have a few requests/questions:

I'm afraid it will look stupid. Pretentious? Maybe. I'm afraid of what such a large frame with such a smaller wheel will look like. Does anyone have any pics of similiar conversions on a larger frame?

More importantly, I know the way to figure this out is to measure, but does anyone know if Mafac Center pulls (the gold ones - competitions) will clear a 650b in a frame meant for a 27? How about a frame meant for a 700?

What about fenders. Will a fender marked as meant for 700/27 wheels work ok on a 650b conversion?

Anything else I need to worry about?

Please bring on the pics/opinion/comments. I'll post more details about the rest of the build later.