I also have tubing thickness charts for Columbus, Tange and Reynolds tubing I am happy to email to folks. Let me know off-list.
Cheers!
David
David G. White Burlington, VT
David G. White wrote:
> See this tubing chart for thicknesses & weights of various tubing
> types, including Columbus SL (two varieties) and Reynolds 531 (three
> varieties):
>
> http://www.desperadocycles.com/
>
>
> or tinyurl:
>
> *<http://tinyurl.com/6s5yo>
> *
> Best,
>
> David
>
> David G. White
> Burlington, VT
>
>
>
> Cheung, Doland wrote:
>> Besides Jerry's points, I would think the best apples-to-apples weight
>> comparison would be on unbuilt tubesets. I'm sure that the tubesets are
>> close enough that all the variances in the lugs, fittings, dropouts,
>> frame size, etc. could swing it either way.
>>
>> According to a Columbus tubing spec chart that I have, SL is spec'd at
>> 1925g.
>>
>> Doland Cheung
>> SoCal
>>
>> -----Original Message-----
>> From: classicrendezvous-bounces@bikelist.org
>> [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of Jerome &
>> Elizabeth Moos
>> Sent: Wednesday, May 30, 2007 1:47 PM
>> To: jeff-arg@bizwi.rr.com; classicrendezvous@bikelist.org
>> Subject: Re: [CR]Reynolds 531 vs. Columbus SL
>>
>> I don't think one can really answer that, since 531 itself varied. In
>> the 60's and 70's, Reynolds made both metric and English 531 tubesets,
>> with different dimensions - pretty sure the metric gauge was lighter.
>> They also drew custom tubing for bikes like Bates and issued special
>> decals for Jack Taylor, Schwinn and Raleigh among other, which might
>> have implied some customization of the tubesets themselves. Later,
>> there were such variations as 531 SL, 531 Pro, 531c and 531 ST (Special
>> Tourist). So to compare Columbus to 531 you have to say "which 531".
>> Regards,
>> Jerry Moos
>> Big Spring, TX
>> jeff-arg@bizwi.rr.com wrote:
>> An friend of mine and I were talking about bikes last night and he
>> asked, "wasn't the Columbus SL tubing allways lighter than Reynolds
>> 531?" I couldn't give a definitive answer. My inclination was to agree.
>> However, I have a digital scale that is on my bike stand and thought
>> about some of the bare frames (sans forks) that I have weighed. The
>> Colnagos built with SL are typically around 1900 grams but so are the
>> Masi's built with 531. A Windsor I just bought made of SL is actually
>> heavier than a Raysport I have made of 531.
>> Does anyone know of standardized tubing weight measures between 531 and
>> SL for comparison?
>>
>> Jeff Pyzyk
>> Milwaukee, WI