May sound silly but have you considered how you crash?
If you watch a lot of top drivers when they are crashing, you will notice they are revving the nuts off their cars trying to keep it moving and adjusting the angle. It really is the weirdest thing ever when you try it yourself as your initial reflex is to let go of everything and wince, but having tried it this last season it actually works and I have the feeling that I have broken less due to this.
If you're snapping the original towers try Atomic Carbon ones. Might not be as stiff but that is a good thing sometimes.
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