Advertise on Bikeforums.net



User Tag List

Results 1 to 8 of 8
  1. #1
    team mascot sr20det's Avatar
    Join Date
    Apr 2005
    Location
    Canada - Toronto
    My Bikes
    gt gtb & marinoni pista special.
    Posts
    1,264
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Columbus SP Tubing Q's:

    Can anyone provide any insight on the Columbus SP tubing and how it compared to other Columbus tubesets around its time?
    Also, since you're at it, could you also explain to me the diff. between the current Columbus: Sprit, Life & Zona?

    Thanks a bunch!

  2. #2
    yo yo yo yo yo
    Join Date
    Nov 2005
    Location
    delaware
    Posts
    2,518
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

  3. #3
    team mascot sr20det's Avatar
    Join Date
    Apr 2005
    Location
    Canada - Toronto
    My Bikes
    gt gtb & marinoni pista special.
    Posts
    1,264
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    sick:
    this is what it says.
    Columbus SP : Steel. Recommended for larger standard size frames. Best suited to heavy riders for track events or road races on uneven surfaces

    guess its gonna become my beater then.

  4. #4
    Cornucopia of Awesomeness baxtefer's Avatar
    Join Date
    Oct 2004
    Location
    not where i used to be
    Posts
    4,847
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    have you rummaged around here yet?

    http://www.framebuilding.com/Columbus%20Tubing.htm

    isn't SP the same as SL, but beefier? (thicker walls)

    Zona is Nivachrom, Life and Spirit are a niobium alloy.
    basically the difference, as in all tubing, comes down to strength and weight.
    Life and Spirit are stronger than Zona, so can be drawn to a thinner profile.

    someone correct me if i'm wrong, but the only difference between Life and Spirit is that Spirit is thinner?
    {o,o**
    |)__)
    -"-"-

    O RLY?

  5. #5
    Senior Member
    Join Date
    Jan 2005
    Posts
    636
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Without getting too exotic, the Columbus tubings of the period were:

    SP - road, heavier walled double butted
    SL - road, lighter walled double butted
    PS - track, heavier walled double butted
    PL - track, lighter walled double butted

    There was quite a lot of difference between the SP and SL (and between the PS and PL). The PL wasn't good for much other than ultralight pursuit frames or the occasional hour record bike. The SL worked for smaller frames and for lighter riders, but was fairly common on road frames in all but very large sizes. All in all, there just weren't many alternatives to select from, so tubing choice was pretty straightforward.
    Each tubing evolved somewhat over their lifetime, so particular steel composition and precise butting tapers, wall thicknesses, etc. changed a bit, although the feel generally stayed about the same.

  6. #6
    ganbatte! sashae's Avatar
    Join Date
    Aug 2004
    Location
    nyc
    My Bikes
    '06 Vanilla touring, '09 Vanilla cx, Zanconato cx, Moots Psychlo-X RSL prototype, Nagasawa track, Kalavinka track, Black Cat 29er, Cannondale Rize 2 26er, Serotta CRL Legend
    Posts
    1,648
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Don't forget KL, the ultra-light double butted tubeset.

    This page is excellent for comparison of the various tubing out there, covering Columbus, Ishiwata, Tange, Reynolds and Vitus. Interesting reading, those butt profiles.

  7. #7
    works for truffles pigmode's Avatar
    Join Date
    Jun 2002
    Posts
    2,038
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    As mentioned above, SP was at the same level as SL--the top of Columbus' line. Many frames were spec-ed SL with SP chainstays and or SP fork tubes etc., etc.

  8. #8
    Senior Member
    Join Date
    Jan 2005
    Posts
    636
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Oh, yeah, I had tried to forget KL. Colnago used it on the first Mexico's. You could flex the bottom bracket with your hand, and rust out the top tube in one summer with perspiring in Texas heat. Ever squeeze the top tube of a Trek Madone? It flexes inwards like a piece of paper tubing. KL was about the same. Ugh.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •