Using a Quill Stem to Threadless Adapter for Better Bars

If you are looking to modernize an old steel road bike or a vintage mountain bike, you've likely realized that finding high-quality handlebars for old systems is a pain, which is exactly why a quill stem to threadless adapter is such a lifesaver. It's one of those small, relatively inexpensive parts that can completely change how your bike feels and looks. Instead of scouring eBay for decades-old parts that might be cracked or way too narrow for modern riding, you can just pop one of these adapters into your threaded fork and suddenly have access to the entire world of modern "pop-top" stems and oversized handlebars. ...

May 15, 2026 · 7 min · Zuart Zachary