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1979 Trek 937

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1979 Trek 937

Old 02-09-20, 08:40 PM
  #1  
hwheel72 
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1979 Trek 937

According to the Vintage Trek site, the serial number along with catalog matching components suggest this is indeed a Columbus 937. It could be a Tim Issac build as he joined Trek in 79 but I'll never know. Willing to be optimistic, however. This will get a new decal set, cleaned, polish the components, clean any surface rust, and ready to go. Previous owner upgraded the rims which is great. Only thing I can tell not original is the rear hub, saddle, seat post. Enjoy!













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Old 02-09-20, 09:13 PM
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good looking bike!
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Old 02-09-20, 10:00 PM
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Nice! My 930 is about 6 months older. It's my favorite riding bike. Enjoy.
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Old 02-10-20, 06:44 AM
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Originally Posted by jeirvine View Post
Nice! My 930 is about 6 months older. It's my favorite riding bike. Enjoy.
@jeitvine Thanks! Do you have any pics of yours?
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Old 02-10-20, 06:53 AM
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Awesome bike!
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Old 02-10-20, 06:59 AM
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That is a really nice find. I really like the old Trek racing bikes; I have a '78 TX 900.
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Old 02-10-20, 07:39 AM
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I distinctly recall something about a "TSI" stamping on the BB shell of bikes Tim built. Maybe @JohnDThompson can confirm?

I know I've seen pictures of it, but I'm having a heck of a time finding anything now I need it Ain't that just the way it goes?

Edit²: Got the initials wrong.
Edit³: And apparently my assertion was wrong, per the Vintage Trek site, pertaining to '80-'86 models:

Originally Posted by Vintage-Trek.com
Some early and mid 80s bottom brackets were marked with 58TSI or 60TSI. In the early 1980s Tim S. Isaac designed new lugs and a new bottom bracket shell for Trek. The new bottom bracket shell is typically marked with 58TSI (or more rarely, 60TSI). This designation is not part of the serial number but is a model number of the shell. The TSI are Tim's initials. The 58 or 60 refer to the angle between the seattube and the downtube.
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Old 02-10-20, 08:07 AM
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Sweet bike!

Those early Treks are great bikes!!
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Old 02-10-20, 05:58 PM
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Originally Posted by hwheel72 View Post
@jeirvine Thanks! Do you have any pics of yours?
Oh, aye:
1978 Trek 930 and Serotta
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Old 02-10-20, 06:09 PM
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Originally Posted by francophile View Post
I distinctly recall something about a "TSI" stamping on the BB shell of bikes Tim built. Maybe @JohnDThompson can confirm?

I know I've seen pictures of it, but I'm having a heck of a time finding anything now I need it Ain't that just the way it goes?

Edit²: Got the initials wrong.
Edit³: And apparently my assertion was wrong, per the Vintage Trek site, pertaining to '80-'86 models:

[/color]
Ah yes, I have a Pre Tim but that is ok. I still love it!!
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Old 02-10-20, 06:10 PM
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Thanks all. It should be a good spring project. I'm hoping I can get the Campy parts a little shinier but we'll see.
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Old 02-10-20, 07:24 PM
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Originally Posted by francophile View Post
I distinctly recall something about a "TSI" stamping on the BB shell of bikes Tim built. Maybe @JohnDThompson can confirm?
The TSI markings on Trek's proprietary investment cast frame fittings were Tim Isaac's initials; he designed those pieces. Those weren't available until considerably later than the OP's frame, say 1984 or so.

And I doubt Tim was directly responsible for brazing that frame. The only brazing I saw him do was for team bikes and prototypes. His position was more administrative, as an engineer and designer.
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Old 02-10-20, 10:06 PM
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Originally Posted by jeirvine View Post
Nice! My 930 is about 6 months older. It's my favorite riding bike. Enjoy.
As is my '79 930
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Old 02-10-20, 10:30 PM
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Speaking of Tim Isaac:
https://www.ebay.com/itm/1977-T-S-Is...-/264626510150

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Old 02-11-20, 06:03 AM
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Originally Posted by seedsbelize View Post
As is my '79 930
I wanna see!
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Old 02-11-20, 06:04 AM
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Originally Posted by jeirvine View Post
Show off! Hahaha!
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Old 02-11-20, 08:27 PM
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Originally Posted by hwheel72 View Post
I wanna see!
My pitiful internet speed cannot upload at the moment. The techy is coming out tomorrow to put a booster in my room. Then we will see.
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Old 02-11-20, 08:43 PM
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Another Darn Trek

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