High Rider Stem Adapter 28.6 to 22.2mm - Soma Fabrications
Threadless Quill Stem Adapter – KINEKT Store
Threadless Converter | Profile Design
Had to fit this adapter where was the quill stem. Tried putting spacers but because it is narrower at the base they kept moving. Is that dangerous? (other than being dangerously ugly?) :
B&L Bicycles French bicycle stem quill adapter for 22.0 , threadless - B & L Bicycles near Paradise Creek on the Palouse in Pullman. We love riding the Rolling Hills of the Palouse.
Amazon.com : Deda Elementi Men's Spada Quill Stem Adapter, Black, 22.2mm / 25.4mm : Art Quilling Strips : Sports & Outdoors
Amazon.com : Origin8 Quill Adapter, 22.2/28.6, Black : Bike Stems And Parts : Sports & Outdoors