Swagman RAC 3 Bicycle Carrier for sale. Attaches to most 2-inch receivers or can be attached to bumper ball-mount (found on pickup trucks). Cushioned mounting cradles provide a smooth, scratch-free ride for your bikes. Used, but in good condition. Below is info from the manufacture… • 3 Bicycle carrying capacity • Cushioned mounting cradles • Heavy duty construction. • 2" inch diameter steel tubing. • Bolts to any class of trailer hitch • Mounts to many bumper mounted trailer balls • Fits most 2-inch receivers