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Mix & Match Tubing: Does it cut costs that much?

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Mix & Match Tubing: Does it cut costs that much?

Old 01-25-07, 03:47 PM
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Mix & Match Tubing: Does it cut costs that much?

I was just looking at a Univega Frame I'm making into one of my Urban Assault Vehicles® and wondering how much money did the frame builders save by cheaping out on the stays and forks?



Chro-moly, Mangalite and He-Tensile all on the same bike.

Just how much more expensive is cro-moly steel?

Last edited by silversmith; 01-25-07 at 04:15 PM.
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Old 01-25-07, 05:04 PM
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I'd guess the fork was out-sourced? but man why brag about it on a sticker.
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Old 01-25-07, 05:21 PM
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If you are making a million bikes, it all adds up.
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Old 01-25-07, 06:58 PM
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Ditto.
If you're cranking them out by the thousand, $0.7 per frame adds up.
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Old 01-25-07, 07:34 PM
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Mixed-tubeset frames were extremely common in the 1960s, through the 1970s, into the early 1980s. A Peugeot PR-10/PKN-10, which retailed for about $190 in the early 1970s, will give you almost the same performance as a $250 PX-10, but at a far lower price, because of the difference in interest among collectors. I suspect the mixed-tubeset frames were partly a marketing ploy, giving Peugeot and others a chance to capture some low-margin value-buyer move-up sales, while reserving their top-of-the-line full Reynolds or Columbus bikes for customers willing to pay a much higher markup to obtain the very best.
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Old 01-25-07, 07:46 PM
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I have to think John is on to something.

I guess I was just whining. Thecash value doesn't bother me as I'm not selling the frame, just building for myself.

I confess, I just like the thought of full chromoly but there really is not a noticeable a difference picking up the frames..
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Old 01-25-07, 09:11 PM
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It doesn't seem to make a big difference in the overall weight of the bike. My lightest bike is a Raleigh Super Course mixte with plain guage 531 in the main tubes only. It has very light tubular wheels and that's where light weight really makes a difference.
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Old 01-26-07, 11:55 AM
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Originally Posted by Dirtdrop
... It has very light tubular wheels and that's where light weight really makes a difference.
True. The effect of 1 gram of tire or rim weight on your acceleration is almost as great as that of 2 grams of frame (or saddle, handlebar, etc.) weight.
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