aheadset in '92?

[FluffyChicken]

I wouldn't worry, I didn't have threadless system till 2009.

but is you ask the people themselves CaneCreek then you'll get this answer

...
1991
Cane Creek introduced the bicycle industry to the threadless headset (AheadSet®) in 1991, ushering in a better-engineered, simpler system for linking the critical steerer-tube/handlebar interface.
...[/i]
http://www.canecreek.com/innovation