Origin8 Threadless Quill Adapter converts 1-inch threaded to 1-1/8 thr – The Bikesmiths
Nitto MT Stem Column Adaptor: 1" Threaded Fork to 1-1/8" Threadless Stem - Modern Bike
Amazon.com : Origin8 Quill Adapter, 22.2/28.6, Black : Bike Stems And Parts : Sports & Outdoors
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.
Dimension Steerer Adaptor 1" Quill to 1-1/8" Threadless | Tree Fort Bikes
New Innicycle 1" Threaded to 1-1/8" Threadless Conversion Headset - BIKEPACKING.com
Nitto MTC-024 quill stem adapter | Retrogression
Quill Stem Mounting Bracket Adapter (7/8" and 1" option for cruisers o – Mac Ride
How To Convert Quill Stem To Threadless Stem With Adapter On Vintage Bike - YouTube