Pz Racing Quill to Ahead Bike Handlebar Stem Adapter - 22.2mm to 28.6mm | eBay
Ahead-Adapter for Threaded Forks (22.2/28.6mm) - Silver
Nitto MTC-04 Long Quill Stem to Threadless Adapter - 28.6/22.2mm
Origin8 Threadless Quill Adapter converts 1-inch threaded to 1-1/8 thr – The Bikesmiths
quill stem adapter 22.2mm for 1 1/8 ahead stem - B & L Bicycles near Paradise Creek on the Palouse in Pullman. We love riding the Rolling Hills of the Palouse.