extended steerer tube 22.2 Mm Quill Stem
Edit* BMX Stem rise is actually measured from the bottom of the stem to the center of clamping area. BMX stem geometry appears Headset Standard 22,2 Installation #restoration #build Quill to Ahead Bike Stem Adapter 22.2mm/20.8mm to 1 1/8 inch Bicycle Accessories Buy on Front Fork Stem Conversion 22.2 to 28.6mm Quill to Ahead stem adapter. ...