Originally Posted by
taras0000
If your glue bond is not strong enough, then the tire rolls off the rim and you crash. This usually happens At high speed when you are changing your line. The added G force as well as the sideways force from the direction change put huge forces on the tire, causing it to roll off.
It is rare to be able to recover from a rolled tubular and ride it out. I've also seen a front tubular roll off and get caught around a riders foot. That was a nasty crash.
It is impossible to see someone roll a tub on track without feeling the need to check and re-check your own wheels the next time you ride. I remember seeing a video of (I think) Gregory Bauge rolling a tub and staying upright; he managed to roll to a stop without hitting the deck (until he was going quite slowly) but it absolutely shredded the rim of the wheel that lost the tyre.