Originally Posted by
HillRider
Don't those usually announce themselves with a loud BANG when the tire is forced off the bead seat by the trapped section of tube? Pinch flats (aka snake bites) are usually the result of inadequate inflation pressure and/or hitting a hole or other hard object in the road.
Not always. It's possible for thin sections to be trapped without lifting the tire enough to blow it off. I see it more often with hook edge rims that don't have raised shoulder seats, like the old Mavic E rims. Sometimes as the tube is inflated it pulls itself free, but the damage is done.