Early 1980s Trek
12-16-12, 08:23 AM
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Early 1980s Trek
When I snagged my Falcon yesterday, I also picked up this Trek. It has 022 Ishiwata tubing. The headbadge is missing (bummer), but was not riveted to the frame. I am thinking maybe a Trek 412?
Last edited by Junk083; 12-16-12 at 07:01 PM. Reason: Fixed link
12-16-12, 09:19 AM
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If there are rivet holes for a head badge then it is a 70's bike. Nice thing about older Treks is that you can look up the serial number and get the model and year:
https://www.vintage-trek.com/SerialNumbers.htm
https://www.vintage-trek.com/SerialNumbers.htm
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12-16-12, 10:53 AM
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I'd be guessing 80-81 if the head badge was glued on; my recognition skills are marginal, but are those Shimano 600 crarnks arn RD?
12-16-12, 11:52 AM
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Shimano 600 crarnks arn RD
Nice bike. I think the early Ishiwata Treks are rather undervalued.
12-16-12, 12:12 PM
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Did Trek have these made in Japan?
12-16-12, 12:19 PM
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The Japanese connection did not start until '83-84ish (John Thompson can correct me here). They started with the rear triangles on certain models. In '86, the Elance series (300,310,400) were all Japanese made frames.
12-16-12, 07:04 PM
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The headbadge was glued on. The serial number starts with M, so I believe that means 1980-81 Trek 412, unless you have anything else to look for!
12-16-12, 07:23 PM
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12-16-12, 07:53 PM
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Black rims are OK for a build with black seatpost & bits but those say GIANT in bold letters, I'd pick others if possible. Purely aesthetics.
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12-16-12, 07:56 PM
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12-16-12, 08:30 PM
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Any feature of paint, decals, or parts could have been modified, restored, or "upgraded" by the sequence of owners many vintage Trek frames have had. Whether the SunTour crank means it's a 1983 or not is irrelevant, since there's no way to know if it is actually the original crank. Many people back in the day had to "make my bike my own."
12-17-12, 06:16 AM
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Black rims....personal choice. My '85 Trek 460 (entry level racer offering) has black Rigida's, dia-Compe 400's on a red Tru-Temper frame. Nice vintage Trek you have.
12-17-12, 07:10 AM
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M = 412 or 414
4 = 24" (61 cm ctc, 58cm top, 44.5cm stays)
G = July
0 = 1980
The only difference between the 412 and 414 that year that I could discern was the crank, seat post and toe clips:
https://www.vintage-trek.com/TrekBrochure1980.htm.
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12-17-12, 09:34 AM
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I just picked up a very similar frame, with serial number: M4G0XXX
M = 412 or 414
4 = 24" (61 cm ctc, 58cm top, 44.5cm stays)
G = July
0 = 1980
The only difference between the 412 and 414 that year that I could discern was the crank, seat post and toe clips:
https://www.vintage-trek.com/TrekBrochure1980.htm.
M = 412 or 414
4 = 24" (61 cm ctc, 58cm top, 44.5cm stays)
G = July
0 = 1980
The only difference between the 412 and 414 that year that I could discern was the crank, seat post and toe clips:
https://www.vintage-trek.com/TrekBrochure1980.htm.
M: 412 or 414
2: 21"
D: April
9: The exception as the 412 /414 wasn't produced in a year ending in 9. Apparently, this means either '80 or' 81 due to the lack of a colorwrap behind Trek on the seat tube.
12-17-12, 12:05 PM
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Mine did not have the color wrap behind the seat tube logo stickers either.
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12-17-12, 10:54 PM
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