Hi Mark,
> Ace AX cranksets and 2 1/2 sets of AX pedals, and I'd really like
> to know more about this stuff. I'm sure you saw the lengthy CR
> thread on pedal circles or whatever it was. And all I know is
> that the AX pedals seem to have an eccentric axle. BTW: I'm also
> looking for the wrench to install/remove these pedals.
Its a 30 or 32 Diameter (don't remember exactly) and chances are good that a tool for headsets will work fine.
The AX was built from 1980 till 84. You may also search on google for "Dynadrive"
It's the best ever built classical pedal in my eyes- but there are a lot of other opinions.
best regards, Richard Timm
Hamburg,Germany