In a message dated 3/21/02 6:55:01 PM Eastern Standard Time, CaptBike@sheldonbrown.com writes:
<< Sharp pointy things lying in the road normally lie flat, so when the front tire rolls over them, it goes over the flat side. After the front has rolled over, the foreign object often bounces up spinning...just in time to get hit by the rear tire while it is a more threatening orientation. This is generally considered to be the reason that rear punctures are so much more common than front ones. >>
I guess it wouldn't have anything to do with the greater weight distribution over the rear wheel and resulting larger contact patch, or would it? Bunny hopping the sinkholes in Detroit, Ed Kasper