Originally Posted by
cudak888
I use a 10 + 11mm, closed-ended, offset box wrench. Use the 10mm side:
It's slow, but gets the job done faster then any other way, and it fits.
-Kurt
Right, that's what you need, an offset wrench.
BTW, here is my NOS Campy Gran Sport seatpost (26.8mm). I'm going to use this on my Superior project.
