Originally Posted by
oldbobcat
You're right. I haven't seen quill track stems available for over 20 years, and absolutely nobody makes or made a reasonably rigid quill stem with a 30.8mm handlebar clamp.
Nitto still offers quill track stems, for the keirin crowd and NJS wannabees. E.g.:
https://www.retro-gression.com/produ...uar-quill-stem