Saris T-RAX Pro Folding 4 Bike Hitch Mount Rack (1.25-Inch Recevier) 2-1/2-inch platinum-steel frame 1-1/4-inch receiver accommodates four bikes of any size Soft rubber hold-downs and pivoting anti-sways HitchTite base connects easily and can tilt for rear access Features folding arms with QuickTite knobs