A rack support assembly for an ATV for a rack and shock assembly that is removably attachable to a hitch and rack posts of an all terrain vehicle. The assembly comprises an upper bar and a lower bar. A pair of shock absorbers is coupled to and extends between the upper and lower bars so that the upper and lower bars are orientated parallel to each other. A coupler removably attaches the lower bar to the hitch so that the lower bar is horizontally orientated. Each of a pair of supports is attached to the upper bar. The supports are each removably attachable to one of the rack posts.