Steel Frame Identification
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Steel Frame Identification
Hello dear people,
I acquired a bike, for a very reasonable price of 82 EUR and it makes a good ride on this bike but now I'm wandering what I actually bought, I searched the internets, but nothing fits. Do you have any idea where this frame could from, from whom or what years?
Down on the bike it's writen Z and underneath T H, if I read it correctly. The serial is something like 9659 and the wheels are on Gipiemme patent rear dropouts.
Do you have any idea?
Thanks in advance.
Pictures are under this link:
drive.google. com/drive/folders/1XMlb5_BHOGfjHG2UVRfPIuTZhHnEKoiP?usp=sharing
I acquired a bike, for a very reasonable price of 82 EUR and it makes a good ride on this bike but now I'm wandering what I actually bought, I searched the internets, but nothing fits. Do you have any idea where this frame could from, from whom or what years?
Down on the bike it's writen Z and underneath T H, if I read it correctly. The serial is something like 9659 and the wheels are on Gipiemme patent rear dropouts.
Do you have any idea?
Thanks in advance.
Pictures are under this link:
drive.google. com/drive/folders/1XMlb5_BHOGfjHG2UVRfPIuTZhHnEKoiP?usp=sharing
#2
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Welcome, ccca ! Interesting frame. Are those lugs chromed, or just bared steel?
That brake bridge is most unusual, and might be the best lead to an ID. I have never seen it before.
That brake bridge is most unusual, and might be the best lead to an ID. I have never seen it before.
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OP's photos here on BF - https://www.bikeforums.net/g/album/25962847
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Whatever it is, it needs to be broken down, scrub, clean and polish, right now.
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The main load on a brake bridge is torsion.
A tube will resist such a load with less material than any other shape.
Other shapes tend to be correlated with a greater load on your pocketbook.
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Thanks for the pix assist, madpogue!
Looks like a fairly good Italian frame that's had some trouble with the very poor chrome plating once on the lugs and stay caps, but now gone!
Yet the fork has nice (?) or at least quite shiny chrome, makes you wonder if that's original (or different platers).
The bridge looks like a stock GPM unit but it's been customized with some carving and holes added, or that's a variation GPM offered but I never saw on another. If it's custom it's a lot of work for a frame bit that doesn't really benefit from such "attention".
Would tend to match with those GPM dropouts, in a style that Bianchi used on many models in the mid '80s (others built with them, too).
Worst thing is the rusty BB shell (commonplace slotted style) that somebody just stuck a Shimano plastic guide on with nothing but cable tension to hold it!
Sloppy.
pic of some GPM frame bits, thanks to Velobase, the close match (sans custom treats) is the 3rd from top of bridge row 1841 AD
Looks like a fairly good Italian frame that's had some trouble with the very poor chrome plating once on the lugs and stay caps, but now gone!
Yet the fork has nice (?) or at least quite shiny chrome, makes you wonder if that's original (or different platers).
The bridge looks like a stock GPM unit but it's been customized with some carving and holes added, or that's a variation GPM offered but I never saw on another. If it's custom it's a lot of work for a frame bit that doesn't really benefit from such "attention".
Would tend to match with those GPM dropouts, in a style that Bianchi used on many models in the mid '80s (others built with them, too).
Worst thing is the rusty BB shell (commonplace slotted style) that somebody just stuck a Shimano plastic guide on with nothing but cable tension to hold it!
Sloppy.
pic of some GPM frame bits, thanks to Velobase, the close match (sans custom treats) is the 3rd from top of bridge row 1841 AD
Last edited by unworthy1; 08-11-22 at 07:02 PM.
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I think I spy the second bridge (1841 AB) as the chainstay bridge
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^if you mean that "spool shaped" chainstay bridge, I believe it's 1851 AA, a very popular bit used by many ITAL builders, and I think copied by some other companies besides Gipiemme
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During my further research and thanks to tips I got, maybe Dancelli could be the manufacturer, or something very close.
Last edited by ccca; 08-12-22 at 04:01 AM.