Joined: Nov 2006
Posts: 19,810
Likes: 597
From: NJ, NYC, LI
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
As long as you have the threaded top nut, you can replace everything else with a threadless headset, like an aheadset or something. That leaves plenty of room for the clamp thing. I did this on two bikes, and still have all the bits I took off. I'll try to remember to look for them.