#46
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More photos have been added to the album at the request of a BIkeforums member on that thread. https://photos.app.goo.gl/4t54kri8AdNV4Tf9A
Just adding a few here for posterity's sake again. |
#47
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Some new information for you all,
Was taking the bike down to just the frame and finally was able to see the bottom bracket and clean off the grime. It's Italian Threaded. Wasn't expecting that. But I'm not sure that changes things much for identifying the frame. But could be a clue for someone, or just for posterity's sake. I checked the Shimano AX catalog from 1982 and bottom brackets came in English, French and Italian threads. |
#48
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dave |
#49
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I did think Italian thread would be an odd choice, but the whole bike is different so I just chalked it up to maybe the Serotta shop just used what they had laying around. But I didn't consider an Italian BB laying around is probably also a slim chance if the shop doesn't use them. I guess that may leave us leaning towards the frame itself being an unsolved mystery, and the fork does have the 'S' engraved, but no serial number, so it probably wasn't used and repurposed from a bike built there, from what I gather. Last edited by habes78023; 05-23-2021 at 10:55 AM. |
#50
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Does the shell measure 70 mm wide? Probably not too likely, but it might be possible to ream a stripped British shell and re-thread it Italian. If an employee built the frame for himself, he may have had an Italian BB on hand that he wanted to use.
I have an 80s Club Special that has no serial number on frame or fork. I didn't get any back story on it (eBay purchase) but it's clearly a Club Special and appears to have the original paint. |
#51
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I also have an all-original* Club Special. Was a barn find; supposedly with just a couple hundred miles on it. I just started tearing it down to do a full restoration on it. I have yet to find a serial number on it... Last edited by Kirk Pacenti; 05-23-2021 at 04:58 PM. |
#52
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This^^ Lived this once myself on a used frameset.
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#53
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Sorry for the late response, busy day but I was hoping there would be some more replies.
Measured the BB width and got 70mm, then set the caliper to 68mm to make sure they didn't slide over and it wouldn't go, so I'm thinking 70mm it is.. That was a good thought, but does seem there was no rethreading. |
#54
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Kirk, on a Serotta of that vintage the serial number would be stamped on the steertube.
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#55
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No one at Serotta would have ever used an Italian BB.....there were none lying around and there were no Italian BB taps to chase them with.....and the jigs were all based of a 68 mm shell.
It seems like maybe you have an interesting Italian frame that someone repainted and put a Serotta for in with it. dave |
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#57
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I'm encouraged to hear others exist with no serial number. |
#58
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Would the fork have no serial number? That's the main question though,
I posted pictures and the only stamping on the fork is the columbus bird logo I'm not trying to misrepresent the frame, and I hope I'm not coming off that way. My initial hope was that I scored a Serotta for a good price and it's had an interesting turn. |
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