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This is interesting.

innicycle Threadless Conversion Headset

innicycle's unique system combines a threadless stem adapter with a sealed cartridge bearing headset. The result: Finally a way to tastefully incorporate modern components with your vintage bicycle.
Advantages
  • Lower weight & greater rigidity
  • Retains stock threaded fork
  • Compatible with modern handlebars and stems
  • Easily adjusted bearing preload using only a 6mm hex key
  • Ultra low stack height (low stem position adjust-ability)
Fitment

The innicycle Threadless Conversion Headset™ is compatible with most road and some MTB bikes that originally came equipped with 1" threaded headsets and quill stems. Forks must be 1"-24 TPI threaded with a 7/8" (22.2mm) inside diameter. Both ISO and JIS* fork crowns are supported.

#cycling #bicycle #mastobikes #biketooter

in reply to Neil E. Hodges

I dunno. I don’t see this solving a big problem for me, though I own a number of bikes that (in theory) could utilize this.
I guess I just don’t find 1” threaded headsets that problematic? A good quality one, properly installed and adjusted should be totally fine. And there are a number of meaningful advantages to quill stems (height adjustability, comfort, esthetics). And there are lovely quill stems for 31.8mm bars, so you can run modern stuff.
#BikeTooter
in reply to nothingfuture

@nothingfuture where were these quill stems ten years ago when I ended up using a stem adapter and clamped stem?
in reply to 😀🚲

@enobacon That seems like before the current borderline obsession with revamping vintage bikes. When I built my 90s-mtb-turned-gravel bike, the stem that VeloOrange makes was a total lifesaver. #BikeTooter
in reply to 😀🚲

@enobacon @nothingfuture I remember a couple of them coming out around the ‘00 fixie conversion boom, but now they are made by a number of companies in various dimensions. I had one that went from quill stem to a removable faceplate for 31.8mm bars around that time. That way I could switch flats to drops without removing all the bar tape.