Convert from a 2 in. to a 1-1/4 in. hitch with this hitch adapter from Buyers Products. Constructed with rounded corners, the adapter slides easily into a 2 in. receiver tube and accepts all 1-1/4 in. hitch accessories.
It is rated for light towing up to 3,000 lb.
The adapter is zinc-plated for durability, with a 5/8 in. hitch pin hole.