Well, the term "crash bar" is not a very accurate descriptor of these bars.
For 1 thing they are rubber mounted, so in a real, moving, crash situation they are likely to break loose at the rubber mount.
BTDT. I was pulling in my drive way one day and clipped the fender of my trailer with one of my bar mounted hwy pegs, and broke the rubber mount on the bottom. On the bright side, it was better than having to replace a broken oil pan bottom.......... :2thumbup:
The real intent of the bars are to protect the engine covers(cam and crank) when the bike is dropped at a stand still.