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Older 80's Trek With Campy Bits

Old 09-06-12, 09:24 PM
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spats
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Older 80's Trek With Campy Bits

Picked this up not to long ago. Trying to figure out what model it is. I have went to the vintage trek brochure website and what I have found does not make sense. The serial number on the bb is 157426. The bike has pretty much full Campy right down to the headset. Tubing is Reynolds 531c. I think it may be a 770, but I cannot find this color/sticker combo to match up with anything. Any ideas would be appreciated.








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Old 09-07-12, 04:36 AM
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Go to vintagetrek.com. It tells you how to determine what you have based on the serial number.
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Old 09-07-12, 04:47 AM
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I could be wrong but I think the CampI Chorus group was added to an earlier model Trek. The Chorus group came out in '88 but that frame seems older to me.

What kind of shifters are on it? the Synchro or just plain friction? Concentrate on the serial number and the color ignore the group when serching vintage trek.
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Old 09-07-12, 07:09 AM
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The Pro series with the internal chain stay routing would be about 1986 IIRC. An all 531 frame would be the 7xx model.

Edit: you're right that the color is not right for what it appears. The tubing decals may be suspect as well, then. Hard to tell.
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Old 09-07-12, 07:43 AM
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That one is going to be a challenge to pin down, exactly. I found an '86 or...pro series this summer with campy derailleurs and chainring, 531 and modolo brakes. Very nice bike but when looking at all the details and even with the plethora of info on the vintage site, it was still difficult to pin the year. But really, it's about the bike, components and condition, isnt it? The bike I found was in the 19lb class. Super nice.
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Old 09-07-12, 07:44 AM
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Originally Posted by Ex Pres View Post
The Pro series with the internal chain stay routing would be about 1986 IIRC. An all 531 frame would be the 7xx model.

Edit: you're right that the color is not right for what it appears. The tubing decals may be suspect as well, then. Hard to tell.
I have an '85 460 racer with the chaintube cable route....first year for it.
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Old 09-07-12, 01:21 PM
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Yup. I had written down the wrong number. The serial number is actually 157246. I found this in the serial number look up and it says it is a 760s. Not sure what the s stands for.
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Old 09-07-12, 01:22 PM
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Frame was made 11/20/1984. So I believe it would be a 1985 model.
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Old 09-07-12, 01:55 PM
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If that is the case then the Chorus group was added later. when you get to cleaning and tuning this check the brake pads, these on the back brake are in wrong. the open end of the holder should point towards the rear of the bike.

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Old 09-07-12, 02:48 PM
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Good catch. I will be sure to do that.
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Old 09-08-12, 09:10 PM
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Calling JohnDThompson.................
He's the resident vintage Trek specialist......

The decals look circa 1986 or 1987. What's the headbadge look like? Could be a FrankenTrek...I have one of those:
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'?? TST Mtn Bike frame--project, '07 Tsunami Tandem--home-built
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Old 09-09-12, 01:48 AM
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1984 Trek 760 NOS but repainted in 1988 by Trek factory after frame failed to sell from Trek dealer (probably because of the original purple color). Now it's the reddest red just shy of a Ferrari. Serial number 146272 which on the Vintage Trek site lists this as a 58 cm manufactured on 9/13/84

https://www.pbase.com/rjnbiker/trek760

A clue to help with the catalog confusion.
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Old 09-09-12, 06:24 AM
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Originally Posted by spinbackle View Post
The decals look circa 1986 or 1987. What's the headbadge look like? Could be a FrankenTrek...I have one of those:
1986 according to the Vintage Trek site, the year the 850 came in pink with white. But the 86 catalog doesn't say anything about using 531 All Terrain tubing. If that sticker is accurate, I think that's a really cool find! I never knew Trek made MTBs with 531 tubing.
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Old 09-09-12, 12:58 PM
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Originally Posted by FastJake View Post
1986 according to the Vintage Trek site, the year the 850 came in pink with white. But the 86 catalog doesn't say anything about using 531 All Terrain tubing. If that sticker is accurate, I think that's a really cool find! I never knew Trek made MTBs with 531 tubing.
It's an '84 850 per the serial number. Trek did indeed use 531 AT that year on this model only, it's listed in the '84 catalog. Trek never did sell an all-pink mountain bike, they did however sell the pink & white model in '86, this is an '84. Same paint and decal scheme as the '85 770. Maybe a custom paint and decal job from the factory. Indeed a very cool find! I'll post serial number pic and more pics later. Sorry to the OP about hijacking this.



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Old 11-01-14, 08:11 AM
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Originally Posted by OldsCOOL View Post
That one is going to be a challenge to pin down, exactly. I found an '86 or...pro series this summer with campy derailleurs and chainring, 531 and modolo brakes. Very nice bike but when looking at all the details and even with the plethora of info on the vintage site, it was still difficult to pin the year. But really, it's about the bike, components and condition, isnt it? The bike I found was in the 19lb class. Super nice.
****Zombie Alert*** @spats I dont know if you still visit this forum but on the chance you are reading I wanted to tell you I bought the bike that is mentioned in the above post quote. What is absolutely amazing is we have the same Trek "quirks" in that we have duplicate frames though quite unusual. I had thought mine was a repaint or frankenTrek of sorts. That is, until seeing your frame in my research to answer the questions on my "unusual" 760 garage find. Mine is in near mint condition with just one nick in the paint from a crank strike. Mine appears to have been rode very little. Nice bikes!
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Old 01-26-21, 03:35 PM
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Mad Honk

Here is the 760/770 with the pinstriped lugs I was talking about. Team bike??
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