CURT 18113 49-Inch x 22-1/2-Inch Aluminum Hitch Cargo Carrier, 2-Inch Receiver, 500 Pounds roller It is designed to be

CURT 18113 49 Inch x 22 1 2 Inch Aluminum Hitch Cargo Carrier, 2 Inch Receiver, 500 Pounds roller It is designed to be It is designed to be a custom trailer hitch for certain years of the Chevy Silverado 2500 HD or 3500 HD and GMC Sierra 2500 HD or 3500 HD (to verify your vehicle compatibility TW 3 4" trailer ball hole accepts any trailer ball with a 3" shank Adjustable rubber cradles will not scratch bike frames Tilts away for convenient rear vehicle access Arms fold down when not in use for compact storage Threaded anti wobble shank helps prevent bikes from swaying during travel Bolt together post can be disconnected for compact storage Protected by a durable black powder coat finish Limited lifetime warranty (one year finish