Threaded, or quill, stems are used on many Diamondback bikes. This short video shows you how to properly install one:
- Coat the assembly with grease up to the minimum insertion point (marked).
- Insert and gently tighten the stem.
- Mount and rotate handlebars, securing the faceplate bolts equally.
- Align stem with front wheel and tighten stem.
- Doublecheck bolt tightness and alignment.
That's it--you're good to go!