Hitch Adapter 1 1/4" to 2" Class II 350 Lb Rated for Bike Racks, Cargo Carriers, Towing Accessories Use the adapter to convert your smaller hitch receiver to accept accessories for the larger Class II, III hitch receiver 1 1/4" to 2" Hitch Receiver ADAPTER, Black rated TW 350lbs for class II tow hitches. Perfect for Bike or luggage racks that mounts into the 2" receiver tow hitch. Adapter is solid steel 11 3/16" long. Length hole to hole is 6 1/2" Special powder-coat finish over electroplating layer provides superior resistance to rust and corrosion