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?) :
Quill Stem Mounting Bracket Adapter (7/8" and 1" option for cruisers o – Mac Ride
Threadless Quill Stem Adapter – KINEKT Store
Nitto MT Stem Column Adaptor: 1" Threaded Fork to 1-1/8" Threadless Stem - Modern Bike
Amazon.com : ONIPAX Bike Stem Quill Adapter 22.2mm / 25.4 mm (22.2mm) : Sports & Outdoors
22.2/25.4mm-28.6mm Bike Threadless Quill STEM Adapter Alloy Riser Bicycle Part | eBay
Deda Spada quill stem adapter | Retrogression
File:Threadless stem with quill adapter.jpg - Wikimedia Commons
Bike Stem Parts - Bike Stem Riser - Bike Stem Adaptor - STEM MTB DELTA QUILL ADAPTER 1-1/8w/shim
22.2/25.4mm Bike Quill Stem Adapter Extender Riser Adaptor Aluminum Black Silver | eBay