Originally posted by shokhead
If you get a flat from glass then you got the wrong tires on.
I have Specialized hemisphere with "armadillo" technology.
They are supposed to be petty tough... but I'm a big guy (lots of weight) and the beer bottle wasn't shattered, it was broken in half and me hitting it shattered it. I searched the tire for about an hour looking for any signs of the glass and there was none.
Doug