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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 08-08-06, 05:54 PM   #1
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columbus tubing chart

who's got it? i can't find it in the search
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Old 08-08-06, 07:10 PM   #2
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whoomp! here it is: http://bikelugs.com/col_steel_2005.pdf
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Old 08-08-06, 07:12 PM   #3
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not it.. this was just a lined chart that had the tubing in big heavy red letters

the tubing i'm looking to find out more about is cromor

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Old 08-08-06, 09:11 PM   #4
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http://www.classicrendezvous.com/

Dig around in there for the old school stuff.
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Old 08-08-06, 09:12 PM   #5
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it's in the pictures thread somewhere
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Old 08-08-06, 09:27 PM   #6
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Quote:
Originally Posted by Walkercycles
cromor sucks butternut.
Its welded double butted and weak by even SL standards.

DW
at least it's not Aelle.

you're looking for this.... right?

http://www.classicrendezvous.com/Ita...models_80s.pdf
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Old 08-09-06, 12:24 AM   #7
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i mean, its columbus so it's not total ****e right? or should i avoid it at all costs?
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Old 08-09-06, 08:17 AM   #8
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i wouldn't know the difference. i've basically had two bikes since i started riding again about 4 years ago. would this frame be less stiff? ride harsh?
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Old 08-09-06, 08:21 AM   #9
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less stiff than what?
it'll be a heavy noodle.
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Old 08-09-06, 08:25 AM   #10
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so the only issue is weight more or less?

i apologize for my n00b t00b knowledge
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Old 08-09-06, 08:35 AM   #11
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i understand that one will be higher quality, but performance-wise is the grey area. i'm assuming higher grade tubing is lighter and stronger, but are lower level tubes more prone to breakage? how will it ride differently?
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Old 08-09-06, 08:44 AM   #12
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Don, lots of high quality tubes start as sheets which are drawn over a mandrel and formed into butted tubes.
Even the snazzy new 953.
making seamed tubing is actually *cheaper* than drawing a seamless tube.
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Old 08-09-06, 08:48 AM   #13
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Old 08-09-06, 08:50 AM   #14
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that's it! naz comin thru. let's continue the n00b t00b class though. this is interesting.
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Old 08-09-06, 05:52 PM   #15
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Columbus latest steel tubing info: http://www.columbustubi.com/pdf/Steel_tubes.pdf

Spirit, Life and Zona tubesets use Niobium and Nivacrom alloys. Very light, very thin.

Orbea's Spirit frame 1650g
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Old 08-09-06, 05:58 PM   #16
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since we are in class *raises hand.. Mr. Walker.. whats your take on EL-OS?
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Old 08-09-06, 07:47 PM   #17
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Quote:
Originally Posted by Walkercycles
Yes, true. It is cheaper, which I pointed out above.

DW
d'oh. i misread that. sorry. I missed the "in" in front of the "expensive"
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Old 08-09-06, 07:55 PM   #18
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On the topic of tubing, how about those aluminum tubes that kind of feel like a soda can when you squeeze them? I remember that **** being pretty light, but who thought that would be a good idea?
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Old 08-09-06, 09:43 PM   #19
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This is my single speed:



And this is it's tubing:



Is it not that good? I like the ride of it but my Ciocc road bike is SL and feels tighter somehow. I don't understand a lot of the differences you guys are talking about.
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Old 08-10-06, 08:31 AM   #20
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everything you're saying doesn't really make sense... you're saying it cost less and the builder got a deal, but its just a little heavier. what benefits do higher grade tubes give?
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Old 08-10-06, 08:52 AM   #21
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Quote:
Originally Posted by Walkercycles
I am not saying that all seamed tubes are bad, but, they are cheap to make, and therefor less desirable to use/ride.
huh? Being cheaper to make means something is inherently flawed in your eyes?
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Old 08-10-06, 10:04 AM   #22
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absntr -- where did you get that chart?

Don -- what is your take on columbus max?
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Old 08-10-06, 10:08 AM   #23
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Quote:
Originally Posted by Walkercycles
Yes, for performance, it sure does. Glad you pointed that out.

DW
That is absurd there is no absolute connection between performance cost and quality. There may be a relation becuase generally more expensive techniques are only used if they are better but to say that "* is cheap to make therefore less desireable to use/ride" is to turn a rule of thumb inside out.

I am not saying seamed tubing isn't worse but you have to back that up with inherent limitation is creating sealed tubing rather then just say it's cheaper to produce therefore it's worse.
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Old 08-10-06, 10:17 AM   #24
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why are some tubings better for road vs track?
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Old 08-10-06, 10:19 AM   #25
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Don - I have a late 80's (or early 90's) Marinoni road bike with SLX tubes. I love the ride of the marinoni and I want to build a trackish frame out of something similar.Is there a new comparable tube set being produced today.

Thanks
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