CURT 45000 Class 2 Trailer Hitch Ball Mount, Fits 1 1 4 Inch Receiver, 3,500 lbs. GTW, 3 4 Inch Ball Hole, 3 7 8 Inch Rise Weight Distribution 4 7 8" inside width accepts most 2055104 4 7 8" inside width accepts most types of fat bike tires Add on cradles are designed to replace existing cradles Adjustable cradles accommodate various bike sizes and styles Tray style design allows for easy loading and unloading of bikes Compatible with all CURT tray style bike racks Durable black powder coat finish Limited lifetime warranty (one year finish and comes equipped with a clevis bar to accept a lunette ring motorcycles and ATVs (NOTE: Never exceed the lowest weight capacity of any towing component crossover SUVs and other vehicles that commonly use a class 2 trailer hitch