1-1/4" to 1-1/8" Headtube Reducer Headset Adapter 1.25" 1 1/8 inch Head Tube | eBay
Amazon.com : Ymiko 1.5 to 1 1/8 Headset Reducer 1.5inch Bicycle 40 x 52 7mm Bearings 50mm Bearing 52mm for Front Fork Fat Bike Adapter Steering Tapered Crown Race Set Bicycles and
Problem Solvers Headtube Reducer | Jenson USA
POSITION ONE INTEGRATED TAPERED HEADSET 1-1/8"-1.5"
1-1/2" to 1-1/8" Headtube Headset Reducer / Adapter 1.5" to 1.125"