Calling all Trek experts on mystery
#26
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30 to 35 years old - ANYTHING could have happened.
#27
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I am stubbornly sticking by my prediction of 83 640. I will up the ante and say that it looks like a 22 to me and it will have a serial number between 49650 and
49699, 55300 and 55399, 62471 and 62520, 66929 and 67028, 75988 and 76037, 87655 and 87804, 88880 and 88929, or, 89755 and 89804.
Bring it on.
49699, 55300 and 55399, 62471 and 62520, 66929 and 67028, 75988 and 76037, 87655 and 87804, 88880 and 88929, or, 89755 and 89804.
Bring it on.
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Andy
Andy
#29
Still learning
Thirty hours have elapsed. Not like Dan to not report back quickly! Must be out scoring more great deals, almost stealing them. lol
#31
Cycling addiction
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sorry guys it took me a while to get back to you on the S/N and it 19013
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I can't find any mention of a 5 digit serial number that starts with a 1 anywhere on the Vintage Trek Website. 82 had serial numbers that started with 0 then a 1. But, if we drop the 0, and just use the last five digits, then it is supposed to be an 82 25" 610.
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Andy
Last edited by beicster; 02-15-18 at 07:43 PM. Reason: It was quitting time and I did not finish my thought.
#34
Cycling addiction
Thread Starter
It is not an 82 61x because they had the rear derailleur cable housing stop on the top of the chainstay. I am going with 83 640 which came with a Tange Levin headset, 531 CS frame and it came in black. The only thing off is that the 640 came with a red head tube. Is that usually a decal or paint?
So I think that this is really 640
#35
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All awaiting the # think someone in the recent past has added / changed / altered decals including head badge
#38
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Here the trek 620 finally restored back to it former glory
Last edited by Danbianchi881; 07-28-18 at 11:20 PM.
#39
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Hi, Dan, nice looking!
It looks like Beicster was correct about it being a 1983 640 if the black (sparkle?) and the red head panel are original, but my interpretation of the S/N is that the 6-digit number started with "0" so it should be 019013, but as he pointed out that means it's a 1982 25" 610. 610 frames seem to be designated for bike models 600, 620, 630, and 640 in 1983 model year. The frame size certainly looks like a 22.5" rather than a 25". Frame numbers are stamped in the year they are made, so it is possible it was made in the later part of 1982, then built up and sold in 1983 with the equipment of a 640 bicycle.
The nearest range of numbers for 22.5" is 019688 through 019987. Assuming an error in the fourth digit only, I'd propose that the correct number is 019813 or 019913. But we don't have a photo of the BB to see the actual stamping. So either the number in the fourth digit is stamped wrong, is distorted, or was read in error, I'd go with Beicster's assessment. But a lot of assumptions are made.
It's also possible it was sold in 1982 as a 610, 613, or 614, and later repainted and rebuilt with other parts. Really, a firm determination is impossible if the S/N is wrong. The only things that are clear is that the S/N as reported does not match the physical dimensions of the frame.
It looks like Beicster was correct about it being a 1983 640 if the black (sparkle?) and the red head panel are original, but my interpretation of the S/N is that the 6-digit number started with "0" so it should be 019013, but as he pointed out that means it's a 1982 25" 610. 610 frames seem to be designated for bike models 600, 620, 630, and 640 in 1983 model year. The frame size certainly looks like a 22.5" rather than a 25". Frame numbers are stamped in the year they are made, so it is possible it was made in the later part of 1982, then built up and sold in 1983 with the equipment of a 640 bicycle.
The nearest range of numbers for 22.5" is 019688 through 019987. Assuming an error in the fourth digit only, I'd propose that the correct number is 019813 or 019913. But we don't have a photo of the BB to see the actual stamping. So either the number in the fourth digit is stamped wrong, is distorted, or was read in error, I'd go with Beicster's assessment. But a lot of assumptions are made.
It's also possible it was sold in 1982 as a 610, 613, or 614, and later repainted and rebuilt with other parts. Really, a firm determination is impossible if the S/N is wrong. The only things that are clear is that the S/N as reported does not match the physical dimensions of the frame.
Last edited by Road Fan; 07-29-18 at 10:09 AM.
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Hi, Dan, nice looking!
It looks like Beicster was correct about it being a 1983 640 if the black (sparkle?) and the red head panel are original, but my interpretation of the S/N is that the 6-digit number started with "0" so it should be 019013, but as he pointed out that means it's a 1982 25" 610. 610 frames seem to be designated for bike models 600, 620, 630, and 640 in 1983 model year. The frame size certainly looks like a 22.5" rather than a 25". Frame numbers are stamped in the year they are made, so it is possible it was made in the later part of 1982, then built up and sold in 1983 with the equipment of a 640 bicycle.
The nearest range of numbers for 22.5" is 019688 through 019987. Assuming an error in the fourth digit only, I'd propose that the correct number is 019813 or 019913. But we don't have a photo of the BB to see the actual stamping. So either the number in the fourth digit is stamped wrong, is distorted, or was read in error, I'd go with Beicster's assessment. But a lot of assumptions are made.
It's also possible it was sold in 1982 as a 610, 613, or 614, and later repainted and rebuilt with other parts. Really, a firm determination is impossible if the S/N is wrong. The only things that are clear is that the S/N as reported does not match the physical dimensions of the frame.
It looks like Beicster was correct about it being a 1983 640 if the black (sparkle?) and the red head panel are original, but my interpretation of the S/N is that the 6-digit number started with "0" so it should be 019013, but as he pointed out that means it's a 1982 25" 610. 610 frames seem to be designated for bike models 600, 620, 630, and 640 in 1983 model year. The frame size certainly looks like a 22.5" rather than a 25". Frame numbers are stamped in the year they are made, so it is possible it was made in the later part of 1982, then built up and sold in 1983 with the equipment of a 640 bicycle.
The nearest range of numbers for 22.5" is 019688 through 019987. Assuming an error in the fourth digit only, I'd propose that the correct number is 019813 or 019913. But we don't have a photo of the BB to see the actual stamping. So either the number in the fourth digit is stamped wrong, is distorted, or was read in error, I'd go with Beicster's assessment. But a lot of assumptions are made.
It's also possible it was sold in 1982 as a 610, 613, or 614, and later repainted and rebuilt with other parts. Really, a firm determination is impossible if the S/N is wrong. The only things that are clear is that the S/N as reported does not match the physical dimensions of the frame.
#41
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I wonder if the leftmost digit of the serial number is filled in with paint. Could it be 119013, thus an '84?
#42
Cycling addiction
Thread Starter
#43
Cycling addiction
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Hi, Dan, nice looking!
It looks like Beicster was correct about it being a 1983 640 if the black (sparkle?) and the red head panel are original, but my interpretation of the S/N is that the 6-digit number started with "0" so it should be 019013, but as he pointed out that means it's a 1982 25" 610. 610 frames seem to be designated for bike models 600, 620, 630, and 640 in 1983 model year. The frame size certainly looks like a 22.5" rather than a 25". Frame numbers are stamped in the year they are made, so it is possible it was made in the later part of 1982, then built up and sold in 1983 with the equipment of a 640 bicycle.
The nearest range of numbers for 22.5" is 019688 through 019987. Assuming an error in the fourth digit only, I'd propose that the correct number is 019813 or 019913. But we don't have a photo of the BB to see the actual stamping. So either the number in the fourth digit is stamped wrong, is distorted, or was read in error, I'd go with Beicster's assessment. But a lot of assumptions are made.
It's also possible it was sold in 1982 as a 610, 613, or 614, and later repainted and rebuilt with other parts. Really, a firm determination is impossible if the S/N is wrong. The only things that are clear is that the S/N as reported does not match the physical dimensions of the frame.
It looks like Beicster was correct about it being a 1983 640 if the black (sparkle?) and the red head panel are original, but my interpretation of the S/N is that the 6-digit number started with "0" so it should be 019013, but as he pointed out that means it's a 1982 25" 610. 610 frames seem to be designated for bike models 600, 620, 630, and 640 in 1983 model year. The frame size certainly looks like a 22.5" rather than a 25". Frame numbers are stamped in the year they are made, so it is possible it was made in the later part of 1982, then built up and sold in 1983 with the equipment of a 640 bicycle.
The nearest range of numbers for 22.5" is 019688 through 019987. Assuming an error in the fourth digit only, I'd propose that the correct number is 019813 or 019913. But we don't have a photo of the BB to see the actual stamping. So either the number in the fourth digit is stamped wrong, is distorted, or was read in error, I'd go with Beicster's assessment. But a lot of assumptions are made.
It's also possible it was sold in 1982 as a 610, 613, or 614, and later repainted and rebuilt with other parts. Really, a firm determination is impossible if the S/N is wrong. The only things that are clear is that the S/N as reported does not match the physical dimensions of the frame.
#44
Senior Member
The assumptions people come up with.
I was wrong about a Bianchi that had a fork that looked completely wrong for the bike, but it was the correct fork.
The damage crowd that pull problems out of thin air, or the characters in the mechanic forum....
To lazy to turn the bike over and look at the Serial No.?
#45
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The assumptions people come up with.
I was wrong about a Bianchi that had a fork that looked completely wrong for the bike, but it was the correct fork.
The damage crowd that pull problems out of thin air, or the characters in the mechanic forum....
To lazy to turn the bike over and look at the Serial No.?
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Commence to jigglin’ huh?!?!
"But hey, always love to hear from opinionated amateurs." -says some guy to Mr. Marshall.
Commence to jigglin’ huh?!?!
"But hey, always love to hear from opinionated amateurs." -says some guy to Mr. Marshall.
#46
Senior Member
I get annoyed by the bent fork crowd on here. No evidence the fork is bent, or the head tube is damaged but knuckleheads on here will say somebodies fork is bent because the pic offsets the fork.
I would never us the mechanic forum on this site. To many dick heads!
#47
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I know. But as said it doesn't mean the frame is damaged.
I get annoyed by the bent fork crowd on here. No evidence the fork is bent, or the head tube is damaged but knuckleheads on here will say somebodies fork is bent because the pic offsets the fork.
I would never us the mechanic forum on this site. To many dick heads!
I get annoyed by the bent fork crowd on here. No evidence the fork is bent, or the head tube is damaged but knuckleheads on here will say somebodies fork is bent because the pic offsets the fork.
I would never us the mechanic forum on this site. To many dick heads!
Occam’s Razor.
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Commence to jigglin’ huh?!?!
"But hey, always love to hear from opinionated amateurs." -says some guy to Mr. Marshall.
Commence to jigglin’ huh?!?!
"But hey, always love to hear from opinionated amateurs." -says some guy to Mr. Marshall.
#48
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Actually, Occam's Razor would direct you first to determine whether it's a computer that needs to be plugged in for power.....
#49
Senior Member
It's just how people make dumb comments based off of pure laziness, combined with that they could care less. And sadly some will listen to these fools!
End of my rant!. For now.
End of my rant!. For now.
Last edited by StarBiker; 07-30-18 at 11:08 AM.
#50
Senior Member
I like the black and red. attractive bike.
And I wouldn't change anything.
I am a fan of understated bikes. Guy did a really nice job with one that the brand name escapes me at the moment. He completely overhauled the bike and removed the yellow lettering in the process because of condition. It had a nice head badge and this really dark blue finish when he was done. It looked great. He was located in Australia IIRC. It wasn't the kind of bike where he was hurting the value by doing this either. As it was it needed a lot more help than this bike.
You have to pay for a clean looking bike without all the graphics that's a quality.
And I wouldn't change anything.
I am a fan of understated bikes. Guy did a really nice job with one that the brand name escapes me at the moment. He completely overhauled the bike and removed the yellow lettering in the process because of condition. It had a nice head badge and this really dark blue finish when he was done. It looked great. He was located in Australia IIRC. It wasn't the kind of bike where he was hurting the value by doing this either. As it was it needed a lot more help than this bike.
You have to pay for a clean looking bike without all the graphics that's a quality.
Last edited by StarBiker; 07-31-18 at 04:08 PM.
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