![Folding Bicycle Quill Stem Adapter MTB Bike Stem Adaptor Riser 22.2mm 25.4mm Threadless Quill Extender Head Up Converter - AliExpress Folding Bicycle Quill Stem Adapter MTB Bike Stem Adaptor Riser 22.2mm 25.4mm Threadless Quill Extender Head Up Converter - AliExpress](https://ae01.alicdn.com/kf/Hbce54e99999842e8932a153483da42c8b/Folding-Bicycle-Quill-Stem-Adapter-MTB-Bike-Stem-Adaptor-Riser-22-2mm-25-4mm-Threadless-Quill.jpg)
Folding Bicycle Quill Stem Adapter MTB Bike Stem Adaptor Riser 22.2mm 25.4mm Threadless Quill Extender Head Up Converter - AliExpress
![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?) : 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?) :](https://preview.redd.it/had-to-fit-this-adapter-where-was-the-quill-stem-tried-v0-cp227fllm9t81.jpg?width=640&crop=smart&auto=webp&s=e7433d56f1273493fe022b2f0d495c07f031feb6)
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?) :
![Unbranded 1-1/8" Threadless Quill Stem Adapter Black (25.4 Quill to 28.6 Threadless) - Urbane Cyclist Co-op Unbranded 1-1/8" Threadless Quill Stem Adapter Black (25.4 Quill to 28.6 Threadless) - Urbane Cyclist Co-op](https://cdn.shoplightspeed.com/shops/640969/files/50189355/unbranded-1-1-8-threadless-quill-stem-adapter-blac.jpg)
Unbranded 1-1/8" Threadless Quill Stem Adapter Black (25.4 Quill to 28.6 Threadless) - Urbane Cyclist Co-op
![When you convert a quill stem to threadless (using an adapter) what do you do with the nut that's on the headtube right under the stem/ : r/bikewrench When you convert a quill stem to threadless (using an adapter) what do you do with the nut that's on the headtube right under the stem/ : r/bikewrench](https://preview.redd.it/6qnupzutd9r41.jpg?auto=webp&s=dd106be30c761727bb193c8376ab98326e183e6e)