Procraft Stem adapter of shaft on Ahead 1 1/8 inch black
Forte Threadless Stem Adapter (1-1/8" to 1-1/8") - Performance Bicycle
cyclingcolors Bicycle Ahead Headset Adapter 1-1 1/8 Inch 22.2 25.4 28.6 mm Matching Sleeve Stem Vintage Car Racing Bike MTB Fork Control Set Silver Aluminium : Amazon.de: Sports & Outdoors