squeeforever is correct, however rcbros hasn't been able to even bend them.
I would replace any damaged towers anyway, I dare you to break them, there won't be much left of your truck, actually you could end up with a pile of broken bits and undamaged towers.
Ti Wing Mount Towers
Dace wing towers are too tall on a Gmaxx, that's why I made these, and there $15 cheaper.