Rear arms arent too bad dave i took one out from landing off the side of the table top at the IF`s. I think any wishbone would of snapped actually.
Wheels will be ok when its a bit warmer, its running them in freezing temps that causes them to crack, but aero are rectifying this. I used my aero wheels for worksop, they were fine.
Also when the wishbones break they dont bend anything
The stronger ones might though