In a message dated 1/11/2004 5:31:11 PM Eastern Standard Time, Akimbo71@gmx.net writes:
I have a bike with columbus tubing which I do not know the name of. It is ridged on the outside (five ridges each a good cm wide, lenghtwise). What was this called and from when might it be?
This link from the archives, search Gilco, which is the name of the Columbus
ridged (external) tubing. Lou Deeter, Orlando Fl
http://www.cyclart.com/