Originally Posted by stevel610

Yes, tires can grow a little over tire or change shape slightly.

I had a Gatorskin on the front of an old 27" Schwinn Traveler. I guess the wheel the slightly out of true and the tire grew a little, and one ride I heard the tire rubbing once per Revolution on the top of the fork. About a minute after stopping my ride the tube exploded. My guess is that light rub caused enough friction to heat the rubber in that spot.