i have to chime in...i had timbers arms on my nytro,and the top plate on both a-arms were bending inwards...with no air time,i hadnt hit anything,but to timbers defense they saw my post and said to send them back and they would give me another pair after i had sent pics..but i just decided to sell them as is cause i didnt want a new set of arms that were the same..the top plate is to thin..and there is stumps in my area,and i knew if i clipped one they would be toast