The Saris Rack Dollie eases the process of moving hitch racks to and from vehicles by providing a rolling point so users don't have to try and carry their awkwardly shaped, heavy bike racks. Features: Attaches to 2" receiver racks making them easy to transport to and from the vehicle with no lifting required Connects to 2" stinger with a simple locking pin Works with most Saris hitch racks and other racks that bolt to vehicle receiver