REESE has been the leader in weight distribution systems for more than sixty years. Over those years, much has changed within the industries we serve. Tow vehicles and their frames have been made lighter, while the trailers have become heavier. Yesterday's technology can no longer be used for today's towing. REESE Weight Distribution systems use unique construction materials, welding, manufacturing processes and hook up designs. Adjustments are simple with easy to operate snap-up brackets. Spring bar tension is altered by each chain link change.