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What to do with a repainted '78 TX700?

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What to do with a repainted '78 TX700?

Old 10-20-19, 02:11 PM
  #26  
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Is that brown paint or rust?

That rear eyelet looks brazed on. Wouldn't a 720 have multiple eyelets? Don't know them that well.
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Old 10-20-19, 02:21 PM
  #27  
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I'd Drew the hell out of it.

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Old 10-20-19, 02:24 PM
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Originally Posted by stardognine View Post
Good eye. 👍 You think it might be a 720? 🤔
No no, there would be other indications like cantilever brak...
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Old 10-21-19, 06:00 PM
  #29  
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Originally Posted by madpogue View Post
+1 on the cable routing and headbadge. OTOH, year digit is the fourth position of the serial number, which is squarely under that cable guide. I think you'll have to drill out those rivets to be able to see the whole serial number, so you have the full context and no ambiguity. I reckon @JohnDThompson or @unterhausen would know for sure, but I don't think Trek ever riveted on those cable guides. And the rivets look "too new".

That said, there are "time slip" bikes out there. I have one with a serial number for an '82 400-series. Frame size is consistent with the serial #, but it has an Ishiwata 022 fork, rack braze-ons, and '83-style under-the-BB cable routing. It also appears to be a respray. If you nose around on the other Trek threads here, you see references to similar bikes where the serial number and base features (exclusive of components) don't seem to match.
OK. Here is the serial numbers. Now I'm firmly back to a "78 with new braze-ons. Those early frames didn't have very many.
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Old 10-21-19, 06:05 PM
  #30  
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Originally Posted by Chr0m0ly View Post
And if it was mine I think I’d try to strip the new paint and see if the original is under it, then clear over any scratches and wax the frame.
Looks like a looong reach to those down tube shifters so I’d put some bar ends on it. I think a rando set up would be real classy. Polished fenders, a bar bag upfront, under seat roll bag, and lights, widest rubber you can fit.
Sounds nice. I'll post pictures when finished.
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Old 10-21-19, 06:13 PM
  #31  
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Originally Posted by Cycle Tourist View Post



OK. Here is the serial numbers. Now I'm firmly back to a "78 with new braze-ons. Those early frames didn't have very many.
That doesn't explain the glued head badge does it? 😩
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Old 10-21-19, 06:47 PM
  #32  
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I still wonder if it's a case of a BB shell that got serial-stamped in '78, then sat on a shelf until it was used for a build later.

Any info stamped on the steerer tube?
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Old 10-23-19, 01:02 AM
  #33  
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Originally Posted by madpogue View Post
I still wonder if it's a case of a BB shell that got serial-stamped in '78, then sat on a shelf until it was used for a build later.

Any info stamped on the steerer tube?
There's a small 62 on the badge.
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Old 10-23-19, 07:57 AM
  #34  
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^^^^ What about the steerer tube - part of the fork? Have you pulled the fork?
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Old 10-23-19, 08:04 AM
  #35  
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Originally Posted by SJX426 View Post

That rear eyelet looks brazed on. Wouldn't a 720 have multiple eyelets? Don't know them that well.
Trek 720s are really inconsistent as to the number of fork end and dropout braze ons. Some have 2, most have one (at least in the case of the 1984/85 models). The 82/83 models have 2 bottle braze ons- one on the top and the other on the bottom of the down tube.

Originally Posted by madpogue View Post
I still wonder if it's a case of a BB shell that got serial-stamped in '78, then sat on a shelf until it was used for a build later.
I think it's more likely that it belonged to an owner that upgraded the frame over the course of the last 40 years, like Leighton Walter did with his TX 700. CC Bicycle Gallery: Leighton Walter's Trek TX700

He added TT cable guides, rack braze ons, shifter bosses, canti bosses, bottle bosses, mid fork bosses... but it's a TX 700.


What does make this kind of goofy is the 83-ish spec/color/decal scheme.

Then again, I'm considering doing something similar with my 78 TX 700...
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Old 10-23-19, 10:36 AM
  #36  
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What I do find interesting about this is that frame is HUGE. It looks even bigger than the standard largest size of 25.5, I wonder if this was a custom build for a super tall individual...
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Old 10-23-19, 10:48 AM
  #37  
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Realize that the serial indicates 25.5 but looks bigger than that...
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Old 10-23-19, 12:42 PM
  #38  
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Originally Posted by The Golden Boy View Post
I think it's more likely that it belonged to an owner that upgraded the frame over the course of the last 40 years, like Leighton Walter did with his TX 700. CC Bicycle Gallery: Leighton Walter's Trek TX700

He added TT cable guides, rack braze ons, shifter bosses, canti bosses, bottle bosses, mid fork bosses... but it's a TX 700.
Wow, that's impressive; spectacular results. Even moved the RD cable braze-on to the underside, so yeah, the subject bike may have had similar treatment.

+1 on the frame size; can't help but wonder if this indicates a custom-ish build.
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Old 10-23-19, 01:47 PM
  #39  
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Originally Posted by madpogue View Post
Wow, that's impressive; spectacular results. Even moved the RD cable braze-on to the underside, so yeah, the subject bike may have had similar treatment.

+1 on the frame size; can't help but wonder if this indicates a custom-ish build.
Bet it was, that head tube is monstrous
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Old 10-28-19, 08:09 PM
  #40  
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Originally Posted by madpogue View Post
^^^^ What about the steerer tube - part of the fork? Have you pulled the fork?
Yes, nothing on the fork anywhere. Just a little 62 on the head tube.
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Old 10-28-19, 09:55 PM
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I wonder if this is one of those repaints that Trek used to offer? I remember reading on the vintage Trek size that you could send your frame in for a repaint and they would decal it with the current (at time of painting) graphics. This could explain the later early 80s scheme as well as possibly the stick on head badge? Clearly this bike has an interesting story.

What I'm not sure about is if the cantilever braze ons would have happened before this possible repaint? I believe cantilevers would have been pretty new stuff at this time but not out of the realm of possibility. Perhaps the owner made the modifications in the early/mid 80s, had it repainted elsewhere, and acquired more current decals and head badge to complete?

Would be interesting to see if there was any evidence of a previously riveted badge if you pull the fork.
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