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Columbus TSX ??

Old 06-13-05, 06:02 PM
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I found a Guerciotti in a dumpster (no joke) the other day, with Columbus TSX tubing.
I had never heard of this tubing before.

I searched and searched, discovering information on Columbus Aelle, Cromor, SL, SLX, PRX,
MAX/MINIMAX, EL/OS, etc., but I haven't found any detailed descriptions of the TSX tubing.

Last edited by * jack *; 06-14-05 at 01:20 PM.
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Old 06-13-05, 06:07 PM
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Whoa! As highly regarded as Columbus SLX is (at least by me, I have an SLX Bianchi), Columbus TSX steel is a step above.

Congrats
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Old 06-14-05, 08:39 AM
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OK, so after more research, I can answer my own question:

Columbus TSX is "superbutted" CrMo with continuous helical reinforcements.
It was an improvement on the SLX tubing, but was quickly replaced by the
Columbus PRX ribbed tubing.

I assume I couldn't find much info because it was a short-lived tubing line,
sort of an interim stage between SLX and PRX.

I'm still trying to find the date range that this tubing was in production,
so I can pin down the vintage of my Guerciotti.
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Old 06-14-05, 11:22 AM
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you found that in a dumpster?!?!

i hate you. but i hate whoever trashed it more.
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Old 06-14-05, 11:29 AM
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Originally Posted by jhota
you found that in a dumpster?!?!
Yup. It cleaned up nicely, all the rust spots were merely surface imperfections at paint-chip zones.

I have no idea why it was tossed. The frame is in great shape, and it was full DA8.
Obviously owned by somebody with more money than sense.

She's now in good hands.
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Old 06-14-05, 02:45 PM
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Originally Posted by * jack *
OK, so after more research, I can answer my own question:

Columbus TSX is "superbutted" CrMo with continuous helical reinforcements.
It was an improvement on the SLX tubing, but was quickly replaced by the
Columbus PRX ribbed tubing.

I assume I couldn't find much info because it was a short-lived tubing line,
sort of an interim stage between SLX and PRX.

I'm still trying to find the date range that this tubing was in production,
so I can pin down the vintage of my Guerciotti.
This is what I know about TSX tubing. It is made of Cyclex steel, like SP, SL, MS, SPX, SLX and, indeed, PRX tubing; the last ones were Neuron and Brain (a Cyclex Cromo combo). In the development of better steels by Columbus, Cyclex was superseded by Nivacrom steel: MAX, EL, EL/OS, Genius, Nemo and Zona tubing. After Nivacrom came Thermacrom steel: Foco and Ultrafoco tubing.
TSX and PRX were the last developments of Cyclex steel, PRX being the most sophisticated. Now I have never seen a frame built with PRX tubing, but I have seen a fair number of TSX ones. I would say TSX is far more popular than PRX.
I would date a TSX frame to '91 or '92.

Hope this helps.
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Old 06-14-05, 04:29 PM
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Originally Posted by s70rguy
<snip> Hope this helps.
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Old 06-14-05, 08:57 PM
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You need to post pictures of this dumpster find!!!!!
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Old 06-15-05, 05:34 AM
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Sorry, didn't notice the link, nice find!
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Old 01-16-21, 10:21 PM
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1990

Ik heb mijn custom gespoten Concorde Squadra met Columbus TSX in 1990 laten maken. Het jaar ervoor reed de PDM ploeg ermee.
Her was destijds niet de meest innovatieve buis van Columbus: dat was de Max. Die was niet rond, maar gedraaid, zoals de huidige buizen van carbon.
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Old 01-16-21, 10:32 PM
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How do you say "zombie" in Dutch?
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Old 01-17-21, 05:52 AM
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Originally Posted by thinktubes View Post
How do you say "zombie" in Dutch?
"Zombie" or "ondode" though the latter is more the undead in general. 😋
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Old 01-17-21, 11:25 AM
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I own 2 bikes with TSX tubing, its a newer improved version and of SLX. Feels the same to me though.
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Old 01-17-21, 09:32 PM
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I've got an Acura TSX wagon. Don't know what kind of steel though...

Hitch 1 by Dave The Golden Boy, on Flickr
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Old 01-18-21, 08:17 AM
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Originally Posted by The Golden Boy View Post
I've got an Acura TSX wagon. Don't know what kind of steel though...

Hitch 1 by Dave The Golden Boy, on Flickr
Love it! We had two TSX's and I really wanted to wagen but never got one.
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Old 01-18-21, 08:53 AM
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Originally Posted by Paul J View Post
Love it! We had two TSX's and I really wanted to wagen but never got one.
They are pretty rare, I've only seen a handful of them (maybe 10). But someone with a 2011 like mine lives a few blocks away.

When I bought mine, while I was doing the paperwork to buy it- someone had showed up at the dealership who had driven from around 100 miles away to see the car.
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Old 01-18-21, 02:43 PM
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I was going to quote the post about PRX tubing but I didn't realize it was 16 years old.


As far as I know that was a thicker gauge of tubing they made for rough conditions, IIRC "PRX = Paris-Roubaix". I've seen a few Concordes specced with it.
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Old 01-18-21, 02:50 PM
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I may as well contribute to the zombie thread. I own both a PRX and a TSX Guerciotti. I also have a Maza in TSX. Do I get the semi-rare tubing prize?
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