POSITION ONE INTEGRATED TAPERED HEADSET 1-1/8"-1.5"
RIDEWILL BIKE (Spare Headset/fork) Tapered Headset Cone Adapter 1.5-inch to 1 1/8 Black (Headset Spare Parts) : Amazon.co.uk: Sports & Outdoors
Amazon.com: NC Tapered Steerer Tube Conversion 1 1/8 Inch to 1 1/2 Inch Crown Racing Ring Fork Adapter, Straight Tube Fork Repairs The Bottom Ring Resistance 1 1/8 Turn 1 1/2 : Sports & Outdoors
1-1/4" to 1-1/8" Headtube Headset Reducer / Adapter 1.25" to 1.125"