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"Z50 light weight stel tubing"?

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"Z50 light weight stel tubing"?

Old 09-08-14, 06:09 AM
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vasilebancila
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"Z50 light weight stel tubing"?

Hello,

I saw today a chromed lugs (with some heart shaped cutouts) Coppi (10 speeds) with a "Z50 light weightsteel tubing" sticker.

Ever heard of this tubing?

Last edited by vasilebancila; 09-08-14 at 06:17 AM.
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Old 09-08-14, 09:15 AM
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never heard of that exact model of tubing, but it sounds like it might be something from Oria, who had a number of tubesets that used a combination of letters (usually 2) and numbers like MM1 and so forth...but Z50 is not one of theirs I have seen before. Might just be something that Coppi (or perhaps this is a Fiorelli-built Coppi) came up with to make common steel sound more sophisticated.
Show us a picture of that sticker, it might ring a bell with somebody.
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Old 09-08-14, 11:32 AM
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Found the picture on the net:
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Old 09-08-14, 12:12 PM
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In THIS THREAD user Andycapp has a link to photos of his early '70s Coppi Milano-Sanremo built by Fiorelli that has the same tubing sticker.







Can you measure the seatpost diameter?
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Old 09-08-14, 12:54 PM
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I have a Fiorelli built Coppi with the same tubing sticker. I assumed it's gas pipe... But maybe it's quad-butted splined folded katana steel meticulously hand-made by japanese trained monks high in the italian mountains :-) The lugs sure are pretty, though.
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Old 09-08-14, 01:00 PM
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Originally Posted by mrybczyn View Post
I have a Fiorelli built Coppi with the same tubing sticker. I assumed it's gas pipe... But maybe it's quad-butted splined folded katana steel meticulously hand-made by japanese trained monks high in the italian mountains :-) The lugs sure are pretty, though.
Given that it's an orange Italian bike, I'm thinking it's the latter!
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Old 09-08-14, 01:54 PM
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In describing his bike in the thread I linked to, Andycapp says the orange bike is seamed straight gauge gaspipe. That's why I asked the OP to measure the diameter of his seatpost.

Originally Posted by Andycapp View Post
Wow, the color is even worse than I thought, It's an orange bike in real life. The "Coppi" decals are 99% gone, but you can see the un-faded "ghosting" where they once were. The Coppi "head badge" and Fiorelli seat-tube decals are intact though, as well as the "Z-50 Light-Weight Steel-Tubing" decal. It's funny how when ever you see "light-weight" specified on a bike it never is - this is seemed un-butted gas pipe stuff!

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Old 09-08-14, 02:19 PM
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Originally Posted by mrybczyn View Post
I have a Fiorelli built Coppi with the same tubing sticker. I assumed it's gas pipe... But maybe it's quad-butted splined folded katana steel meticulously hand-made by japanese trained monks high in the italian mountains :-) The lugs sure are pretty, though.
You got it wrong there....It's Damascus steel, not Katana that is..... And it's quad butted only at the head tube....... The rest are hex butted and the upper left seat stay and rear brake bridge, octo butted man! And they were not Japanese monks, but much more skilled and fearsome Cambodian warrior monks who live right in the Ankor Wat temple....
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Old 09-09-14, 01:02 PM
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Originally Posted by Chombi View Post
You got it wrong there....It's Damascus steel, not Katana that is..... And it's quad butted only at the head tube....... The rest are hex butted and the upper left seat stay and rear brake bridge, octo butted man! And they were not Japanese monks, but much more skilled and fearsome Cambodian warrior monks who live right in the Ankor Wat temple....
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Old 09-09-14, 01:07 PM
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Hilarious...., thanks, but what about the tubing? So, is plain gauge?
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Old 09-09-14, 01:46 PM
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Originally Posted by vasilebancila View Post
Hilarious...., thanks, but what about the tubing? So, is plain gauge?
That seems to be the consensus among those who own Fiorelli made Coppis with that sticker. Can you measure your seatpost diameter?
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Old 09-09-14, 02:51 PM
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Gaspipe or one small step above, would be my guess. (Although "gaspipe" is a fairly nebulous term in itself.)
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