The Swagman | Quad 2+2 rack provides the versatility to transport 2 bikes or attach the add-on to travel with 4 bikes of up to 45 pounds each. Simple to assemble and easy to use, the padded foam hooks utilize quick-release triggers, ratchet down on the frame, and lock in place for security. - Fits Class 3 2" Hitch Receivers - Fits 20" to 29" wheels - Fits tires up to 3" wide - Carries up to 4 Bikes with a maximum weight capacity of 45lbs per bike - Transforms from 2 bike to 4 bike carrier - Adjustable Locking Ratchet Hooks - Fits most frame sizes, shapes and styles - Step Through/Cruiser Style bikes require the use of a Bar Adapter - Can be folded up when not in use - Locking Threaded Hitch Pin - Rack Weight: 63lbs