I'm glad I'm not the only one who thinks Mavic's explanation is silly at best. Given the original description of the accident it is unlikely the flat would have cause the accident as A) Delaney would have hear the loud pop as he flatted (which is not mentioned) and B) he made it all the way out of the corner before he crashed, a flat going mid 20s in the corner or rolling a tire off the rim would have caused him to probably low side and see significant rim damage (also not described). As for the top tube (I love how Mavic describes this as the "The horizontal tube under the chest of the cyclist") causing the crash, I don't buy that at all.