Terminology unclear
Not sure what you need
Headset locknut? or stem or handlebars
Quill stem has a wedge dont unscrew it all the way just a bit to be proud, then use a mallet and hit the bolt end, tonreleasr the wedge
Your Public library has bike repair books to read, you know.. you can ask better questions then..
Last edited by fietsbob; 01-16-19 at 05:37 PM.