VEVOR Hitch Mount Bike Rack, 2-Bike Platform Style, 160 LBS Max Capacity Bike Rack Hitch for 2-inch Receiver, Titling and Folding Bike Carrier with Tires up to 5" Wide, for Car, SUV, Truck, RV

This product has two selling points: partial folding and backward folding.

The weight of a single bicycle cannot exceed 80 pounds, and the total weight cannot exceed 160 pounds.

It does not work with ball head adapters, only with 2" square ports. You need to purchase and install the square ports yourself.