Amazon.com: MaxxHaul 70355 1-1/4" to 2" (Fits class II only) Hitch Adapter with 4" Rise and 3-3/8" Drop : Automotive
PART: Two Piece Filler Plate to convert 1 1/4" to 2" Hitch - Allen.Bike
Hitch Adapter 1-1/4" to 2" Trailer Hitch Receiver with 5" Rise Brophy Hitch Adapters HT5R
1-1/4-Inch to 2-Inch, 6-1/4-Inch Extension Trailer Hitch Receiver Adapter - China Hitch Receiver Adapter, hitch receiver tube | Made-in-China.com
VEVOR Hitch Adapter, 1-1/4" to 2" Receiver Hitch Extender Extension, Trailer Hitch Riser with 4" Rise/Drop, 6-1/2" Extension Length, 4000 lbs Towing Capacity, Hitch Pins, Bolt and Nut Included, Black | VEVOR
2 Inch to 1-1/4 Inch Hitch Adapter | Buyers Products
Reese Towpower Towing Hitch Reducer Adapter, 2 sq. in. to 1-1/4 sq. in. Receiver Opening at Tractor Supply Co.
Elevate Outdoor 1-1/4" to 2" Hitch Adapter | Discount Ramps
REESE Towpower 1 1/4in to 2in Receiver Adapter
Not exactly bicycle repair, but would you run this? 1 1/4 to 2 inch riser and extender hitch to a Thule bike rack with a 1 1/4 to a 2 inch adapter : r/bikewrench