Quill stem measures 1 inch exactly. I'm guessing the fork is a 1 1/8" threaded. What headset do I need? Also does anyone make 1" Threadless adapters? : r/xbiking
M Part Adjustable 4bolt quill stem 1 inch
Lightweight Bike Quill Stem Threaded Gooseneck 1" Fork BMX 40mm Stem Black