Roadmaster Quiet Hitch Anti-Sway RingTrailer Hitch Receiver Tube Anti Rattle Bracket; Fits most 2" receiver hitches The Roadmaster Quiet Hitch stops sway and wander before it begins by eliminating any free play between the receiver and the tow bar (or bike rack, ball mount, etc.) for a solid, seamless connection. It reduces tire wear, as well as wear and tear on the hitch and hitch extensions. It also reduces rattle caused by bike racks or hitch accessories.