Hitch-Mount Bicycle Carrier holds bikes securely off the back of your vehicle by mounting into a Hitch Receiver. The Carrier installs and removes in seconds, and also folds down to allow entry into the rear hatch. The Carrier holds any bike with a horizontal crossbar (men-style). For use with bikes without horizontal crossbars (women-style), order optional Frame Adapter (sold separately). Carriers are available to hold either two or four bikes.Hitch-Mount Bicycle Carrier, use w/1-1/4" Hitch Receiver, fold-down style, holds 2-bikes w/horizontal crossbars fold-down style.