Columbus? Does anyone know anything about them?
07-17-14, 11:53 AM
#1
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Columbus? Does anyone know anything about them?
Looking for a while and can not find any information about this bike. I just know that frame is columbus 25crmo 4. Who knows to tell me exactly what model is this:
Last edited by Hrista; 07-17-14 at 11:57 AM. Reason: ok
07-17-14, 12:16 PM
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@Hrista - Columbus is the name of the company that manufactured the drop outs. Those parts with their name on them. The bike frame is most decidedly produced by someone else. More pictures are required to help you.
Inlcude the bottom bracket (where the crank should be), head tube and full frame. If there is a fork, include the full fork, drop out and crown including the inside of the crown with inside leg.
Inlcude the bottom bracket (where the crank should be), head tube and full frame. If there is a fork, include the full fork, drop out and crown including the inside of the crown with inside leg.
07-17-14, 12:20 PM
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Columbus makes high end steel bicycle frame parts, including tube sets and dropouts; here is a thread on the dropouts https://www.bikeforums.net/classic-vi...post-pics.html OTOH, the frame tubes are Mannesmann, a Germany company that invented the process of rolling seamless tubes. Here is a wikipedia page that deals with the French steel company Vallourec that had a close alliance with Mannesmann. https://en.wikipedia.org/wiki/Vallourec
Last edited by onespeedbiker; 07-17-14 at 12:32 PM.
07-17-14, 01:17 PM
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Looks like a nice frame.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
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07-17-14, 02:30 PM
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Update details: the frame is written "Tour de Suisse"
Now with these details, what model of bike is it?
Now with these details, what model of bike is it?
07-17-14, 02:54 PM
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I believe the model is Mattahorn
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07-17-14, 03:49 PM
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Am I missing something here?
2 different bikes?
Mannesmann/Tally made the best high speed, high volume dot matrix printers we used at work. I think Mannesmann pulled out and it was then Tally.
2 different bikes?
Mannesmann/Tally made the best high speed, high volume dot matrix printers we used at work. I think Mannesmann pulled out and it was then Tally.
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07-17-14, 08:37 PM
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Mannesmann AG was a German Steel company that specialized in seamless tubing, founded in 1890, they diversified into technology in the 1970's and the technology division of Mannesmann later merged with Tally (an American outfit based in Kent Washington), to form Mannesmann-Tally, everything had merged a few times, split a few times, the companies are still in business under other names.....
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