Saris T-RAX Sport Folding 4 Bike Hitch Mount Rack (1.25-Inch Recevier) 2-1/2-inch platinum-steel frame Holds up to four bikes of almost any size, with a weight limit of 35 pounds per bike 1-1/4-inch receiver accommodates four bikes of any size HitchTite base connects easily and can tilt for rear access Folding arms feature QuickTite knobs