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Trying to identify a lightweight

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Old 05-31-06, 08:12 AM
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Trying to identify a lightweight

I am trying to identify the bike in these pictures. I bought it at a flea market 15-20 years ago. The man knew nothing about the the bike. What I know is the following. It is a pre-1978 full Dura-Ace (Crane rear derailleur) bike. These parts include shifters, brake system, hubs, derailleurs F & R and seat post. Frame was built with Nervex lugs includung the bottom bracket. It has sew-up wheels and tires. The most unusual part of the frame is the rear brake bridge which is in the shape of an "M". What I don't know is almost everything else. When purchased someone had spray bombed it black but had removed all trace of the original paint, decals, headbadge, etc. I repainted it a color I liked at the time that is why it looks as it does now. I have included four pictures. Any guesses to who or what company built it would be very helpful. Roger
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Old 05-31-06, 08:46 AM
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My guess is some model of Centurion, some of their early models had those same imitation "Nervex" lugs. I had an early Centurion Le Mans with those identical lugs but it had SunTour derailleurs & DiaCompe brakes instead of the Dura Ace on yours. Don
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Old 05-31-06, 01:33 PM
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I did some internet searching of Centurion bikes but none of them seem to have the unusual rear brake bridge that my bike has. All the ones that I saw have either arched or straight tubing bridges. Does the bike you have have a brake bridge like the upper row middle picture? Roger
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Old 05-31-06, 03:45 PM
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The rear brake bridge is the part that I find so different in shape than the tubular ones that I have seen on Centurians. Did your Lemans have that type of bridge? Roger
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Old 05-31-06, 11:01 PM
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Originally Posted by rhenning
The rear brake bridge is the part that I find so different in shape than the tubular ones that I have seen on Centurians. Did your Lemans have that type of bridge? Roger
Damn, that IS an unusual brake bridge as well as the weird lump on the down tube above the shifters...never seen anything like it. I agree that the "nervex" lugs are nervex-like, but probably not the real deal. Sure doesn't look like any Centurion I ever saw, I doubt anyone would hang old DA on a bad frame, so this one must have been somebody's baby. I suggest you post the pics to the Classic Rendezvous forum, lots of those guys have seen stuff we never have. Any branding on the dropouts? I assume it's BSC threaded BB, what about the headset crown race...JIS?
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Old 05-31-06, 11:04 PM
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Originally Posted by rhenning
The rear brake bridge is the part that I find so different in shape than the tubular ones that I have seen on Centurians. Did your Lemans have that type of bridge? Roger
Damn, that IS an unusual brake bridge as well as the weird lump on the down tube above the shifters...never seen anything like it. I agree that the "nervex" lugs are nervex-like, but probably not the real deal. Sure doesn't look like any Centurion I ever saw, I doubt anyone would hang old DA on a bad frame, so this one must have been somebody's baby. I suggest you post the pics to the Classic Rendezvous forum, lots of those guys have seen stuff we never have. Any branding on the dropouts? I assume it's BSC threaded BB, what about the headset crown race...JIS?
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Old 06-01-06, 07:40 AM
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The lump on the down tube was originally put on to clamp on a race number for the bike. Very common in the 70s. Roger
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Old 06-01-06, 09:55 AM
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I don't know why but something about the bike speaks "French" to me.
so a few questions.
Bottom bracket dimensions (68,70, etc.)
threading?
seat tube dimensions. 26, 27, 27.2 ?
some variation of a Motobecane?
Marty
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Old 06-01-06, 11:52 AM
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I looked it over more closely and found a couple of more things. Bottom bracket is 68 mm and english threaded. Seatpost is 26.4. Seatpost and stem were made by SR. Handle bars have an "M" on one side and "MOSSBERG" on the other. Is there such a thing as a Mossberg bicycle? Roger
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Old 06-01-06, 01:55 PM
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there were mossberg bikes. The same company that made the over under shot guns I believe.
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Old 06-01-06, 02:01 PM
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"I doubt anyone would hang old DA on a bad frame"

Actually, I found some first gen Dura-ace on what I think was either a Huffy or a Murray not too long ago... the bike had crash damage at the front end, so I took the parts off and ditched the bike, what the heck.
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Old 06-01-06, 03:55 PM
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Motobecane?

https://www.sheldonbrown.org/images/m...nd-record.jpeg
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Old 06-01-06, 05:13 PM
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Nah - it's a mossberg. Must have been one of the early ones if the parts were original - the later ones mostly cashed in on suckers trying to beat the gas shortage.
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Old 06-01-06, 05:57 PM
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Mossberg Viking Medallist circa 1974. Those are the original components. However, I don't now who built the frames for Mossberg.
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Old 06-01-06, 06:54 PM
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I just realized that brake bridge is a letter "M". Duh!
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Old 06-01-06, 07:55 PM
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Thank you T-Mar. Roger
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