Posted a similar question in the mechanics forum...didn't really find the response I was looking for.

A while ago, after I had been riding my Le Tour fixed conversion, I started looking for some upgrades I could make, and I found a good deal on a Centurion frame. I took the guys word when he said he had been running 700x35 tires in the frame and because of the perticulars of the situation, I purchased the frame without doing any measurements myself.

This is a picture of a cold 700x28 and the rear brake mount.



It doesn't rub, but it gets real close about 2mm at max >1mm at min. Not something I feel comfterable with. This frame is deffinetly designed for 700c wheels, and with a 700x28 the front fork still has ample clearance. I don't need to run a rear brake, but I wouldn't mind leaving the option there.

In your vast library of experience, is there anything to be done? I think I would be in danger of flats is I go smaller than 700x28 due to my body and cargo weight. Can that cross piece be removed from the seat stays?

Do I need to just learn my lesson from the purchase and move on?

Why would the stock front fork have so much clearance and the rear have so little?

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