RE: [CR]Columbus tubes and Cinelli Super Corsa

(Example: Component Manufacturers:Cinelli)

From: "Mark Bulgier" <mark@bulgier.net>
To: classicrendezvous@bikelist.org
Subject: RE: [CR]Columbus tubes and Cinelli Super Corsa
Date: Sun, 25 Nov 2001 17:43:19 -0800


SL and SP had helical ribbed steerers long before the introduction of SLX. I don't know when ribbing first appeared though.

Mark Bulgier Seattle, Wa USA

Glenn Jordan writes:
  
> The ribbing is in SLX steerer tubes, introduced after the
> early 70's I think. It added strength to the SL (Super Light ?
> Stupid Light ?) tube sets. Is the any helical ribbing found
> elsewhere on the tubeset ? Earlier Columbus tubesets weren't
> labeled SL or SP or SLX, just "Columbus", like on my 1975/76
> Trek 910. No helical ribbing on this frame, if I remember
> correctly, even though it is Very Large.
>
> A replacement fork ?