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Questions about some Columbus tubings

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Questions about some Columbus tubings

Old 10-20-15, 07:48 AM
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Questions about some Columbus tubings

Perhaps someone can provide me with some clarifications about some specific Columbus tubing. I have seen some bikes recently with Brain tubing and with Neuron tubing.

It seems as though the Brain tubing might have changed a little over time. There is a Torelli Super Strada for sale on Craigslist with Brain tubing and the tubing is standard size. I thought Brain was oversized tubing. Is it true that early on it was a standard size tubing and nothing particularly special and then later on it evolved into an oversized tubing that was held in higher regard? Did standard size Brain tubing come out as Columbus was moving away from SLX?

With regard to the Neuron tubing, was that always an oversized tubing and what is the general consensus as to its performance, stiffness, durability, etc.?

And then there is whether there are elliptical features on these tubings. I am just a little confused at this point and trying to sort this all out.

Also should add that I am inquiring about older (early to mid 90's) versions of these tubings, not anything that might be recently produced.
Thanks for any info!
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Old 10-20-15, 11:43 AM
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Oversizing is done to increase the stiffness with minor weight increase.. Cannondale and Klein both did that in aluminum.
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Old 10-20-15, 02:17 PM
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I responded to your post asking exactly the same question in Road Cycling HERE.
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Old 10-20-15, 02:32 PM
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Originally Posted by Scooper
I responded to your post asking exactly the same question in Road Cycling HERE.
OP: What answer do you Want?

[MENTION=38510]Scooper[/MENTION] provided the information you requested in a handy OEM table format, when facts are insufficient is there something else required?

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Old 10-20-15, 03:50 PM
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Originally Posted by Scooper
I responded to your post asking exactly the same question in Road Cycling HERE.
Thank you very much for the chart with all the specifications and write up. This tells me exactly what I wanted to know. I posted this in multiple forums because I wasn't sure which forum would be read by someone with an answer. Thanks again!
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Old 10-20-15, 03:51 PM
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Originally Posted by Bandera
OP: What answer do you Want?

@Scooper provided the information you requested in a handy OEM table format, when facts are insufficient is there something else required?

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Chill, man! See above post!
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Old 10-20-15, 07:21 PM
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I also found this page which is a great reference. At the bottom, it indicates the dimensions of the oversized tubing and lists the specific tubesets that fall into each category.

Columbus Steel Tubesets - AstroCycloAlpineWorld
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Old 10-22-15, 06:04 AM
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Originally Posted by cpsqlrwn
I also found this page which is a great reference. At the bottom, it indicates the dimensions of the oversized tubing and lists the specific tubesets that fall into each category.

Columbus Steel Tubesets - AstroCycloAlpineWorld
I wonder how old this article is. It speaks of Mondonico in the present tense. At least Antonio stopped building in 2005 or a little later. Torelli has from time to time shown Mondonico-branded product since then, but the origins are murky.

It would be interesting to see a comparable fun-down that brings it up to 2015.
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Old 10-24-15, 10:23 AM
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Originally Posted by Road Fan
I wonder how old this article is. It speaks of Mondonico in the present tense. At least Antonio stopped building in 2005 or a little later. Torelli has from time to time shown Mondonico-branded product since then, but the origins are murky.

It would be interesting to see a comparable fun-down that brings it up to 2015.
I think some of this may have been lifted from the Torelli website. Mondonico had ties there, I believe.

For me, it is actually a good thing that the article may be a little old, because some of these tubesets have changed over the years.
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Old 10-25-15, 04:10 PM
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Torelli (under Chairman Bill) was the Mondonico importer until not long after 2005, and the geometry of Torelli road frames closely tracked those of Mondonico road frames. So the connection was very tight, since Torelli was the importer starting around 1984.

BTW, I should have typed "run-down" rather than "fun-down!"
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