Steve Birmingham wrote:
> All the full aero ones I have are sized to fit the true temper aero
> tubing, roughly 1 1/8 long axis by 3/4 short axis.
The first AX posts were designed to use Tange "Aero" tubing; Columbus,
Reynolds, etc. came out later with their own vesions.
> There may have been one to fit Columbus "air" tubing, which was
> thinner on the short axis, but I've never seen one.
I don't think Shimano made a post for the Columbus Air tubing; the tube sets included an appropriate seatpost (and lugs and BB shell) in any case.
--
-John Thompson (john@os2.dhs.org)
Appleton WI USA