my rear bumper and swing gate have flex in the same way but prolly weights 2x as much as yours, nothing to worry aboutI'm pretty sure I over engineered the bumper....I put the swing-out out and sat on the end of it to see if the bumper would bend....the only thing I saw bending was the frame of the truck....It would bend so far down I could stick my pinky between the bushing and the mount...if I wanted too...