> The advantage of using c-c is that it is
> neutral with regards to odd tubing diameters...
This is an advantage? In that case, C-t-C tells you nothing
about the true frame size, unless you'r also supplied with the
diameter of the top tube (at the point where it intersects the
seat tube.)
You mileage may vary...
Fred Rednor - Arlington, Virgania (USA)