RV Bumper Bike Cargo Carrier 2" Hitch Receiver Adapter Rear Mount 4" Square Bump
U-Bolts onto a 4" square RV bumpers and accepts 2" cargo carrier tubes. For 4" square continuous welded RV bumpers (also fits bumpers 4.5" tall x 4.25" deep). Bumper receiver adapter, designed tough and made from the highest quality materials.