Hey guys, I found something
I acquired another old Schwinn but, as per usual all the decals are fubar'ed. Maybe one of you historians can help..
It's probably a mid seventies but, I don't know for sure.... The serial # off the bottom reads SD402668 and, the number stamp on the badge reads 1024. It's a 12 speed 4130 chromemoloy frame. Any thoughts???? |
Your bike is probably a Japanese-made Schwinn assembled in either 1974 or 1984.
The headbadge number can be decoded as such: 102nd day (April 12) of year ending in 4. So April 12, 1974 or 1984. There were various serial number formats over the years. Your format looks like the format S(month letter)(year number)(frame number) which was used for Japanese-made bikes. So SD402668 would be the 2668th bike assembled in April 1974 or 1984 in Japan. That's consistent with your headbadge number. Post some pictures and it should be easy to tell if it is from the 70s or 80s. The model can be gleaned by looking at the catalogs once the decade is confirmed. How do you know it's chrome-moly? |
A 12 speed most likely points to 1984--- unless someone in the past upgraded the original 5 speed freewheel on a 1974 to a 6 speed Ultra or narrow spaced Suntour, Atom or Regina. However, with that said, IIRC, the four digit date code stamped in head badge did not become universal until 1975-76? My money is on 1984. Take a look here at this Findley-Cooper Page.
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Originally Posted by TenGrainBread
(Post 20935292)
Your bike is probably a Japanese-made Schwinn assembled in either 1974 or 1984.
The headbadge number can be decoded as such: 102nd day (April 12) of year ending in 4. So April 12, 1974 or 1984. There were various serial number formats over the years. Your format looks like the format S(month letter)(year number)(frame number) which was used for Japanese-made bikes. So SD402668 would be the 2668th bike assembled in April 1974 or 1984 in Japan. That's consistent with your headbadge number. Post some pictures and it should be easy to tell if it is from the 70s or 80s. The model can be gleaned by looking at the catalogs once the decade is confirmed. How do you know it's chrome-moly? |
Originally Posted by Tomsl923833
(Post 20936317)
This is probably going to sound stupid but, it has the decal. I know it can be faked but, it looks like it's been on there a long time. Someone could have changed the free wheel from 5 to 6. It's easy I've done it myself. I have a 79 that is very similar. The 2 things that stand out are 1) the spoke guard is metal. That makes me think it's older 2) the suicide shifter is screwed to the frame. It's got Suntour arx derailures and, wheels. That probably got added later. Idk why I just like the old Schwinns!!! That what I stumble across most of the time. It was a freebie!!! To me free is good!!!lol
Still post pictures if you can. Should be quick to ID it with pics. You'll have no argument from me on picking up old Schwinns. I currently have 3: a '95 Super Stock (BMX), '86 High Sierra, and '73 Sports Tourer. And I used to have an '88 Paramount. They're all cool bikes! |
'84 LeTour is my best guess. Shifters will be bolted to the TOP of the down tube, rather than the sides.
Note the bike on the right. https://cimg8.ibsrv.net/gimg/bikefor...c55692c1e3.jpg |
Originally Posted by Hudson308
(Post 20936531)
'84 LeTour is my best guess. Shifters will be bolted to the TOP of the down tube, rather than the sides.
Note the bike on the right. https://cimg8.ibsrv.net/gimg/bikefor...c55692c1e3.jpg |
The Suntour ARX derailleurs point most likely to either the Super LeTour or LeTour (and take a look at the next page). What's the brand of the freewheel?
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LeTour Luxe vs. Super Letour should be easy to sort, based on the crank (triple vs. double), and the paint color.
It likely isn't a '74. The only lugged frames that Schwinn sold in '74 were the LeTour, Voyageur and Paramount. The 74 LeTour wasn't made of chrome moly, the Voyageur that year had chrome lugs, and the Paramount... well those are obvious and easy to spot with chrome Nervex lugs. Your '84 LeTour tubing decal would look like this: https://cimg2.ibsrv.net/gimg/bikefor...f591db6f8a.jpgPay no attention to the Schwinn downtube decal on the photo above. I removed the original yellow and white graphic and replaced it with the decal from about '79. |
It is too bad more people don't have access to cameras.
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Originally Posted by Hudson308
(Post 20936805)
Pay no attention to the Schwinn downtube decal on the photo above. I removed the original yellow and white graphic and replaced it with the decal from about '79.
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Originally Posted by Fahrenheit531
(Post 20937613)
Hilarious. I did the exact same thing to an '84 Tempo that started with the same wretched yellow/white decals. Even chose the same replacement decals. :thumb:
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Originally Posted by Hudson308
(Post 20936805)
LeTour Luxe vs. Super Letour should be easy to sort, based on the crank (triple vs. double), and the paint color.
It likely isn't a '74. The only lugged frames that Schwinn sold in '74 were the LeTour, Voyageur and Paramount. The 74 LeTour wasn't made of chrome moly, the Voyageur that year had chrome lugs, and the Paramount... well those are obvious and easy to spot with chrome Nervex lugs. Your '84 LeTour tubing decal would look like this: https://cimg2.ibsrv.net/gimg/bikefor...f591db6f8a.jpgPay no attention to the Schwinn downtube decal on the photo above. I removed the original yellow and white graphic and replaced it with the decal from about '79. |
Yep. Sounds like an '84 Super LeTour like @pastorbobnlnh suggested.
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Originally Posted by Hudson308
(Post 20936805)
LeTour Luxe vs. Super Letour should be easy to sort, based on the crank (triple vs. double), and the paint color.
It likely isn't a '74. The only lugged frames that Schwinn sold in '74 were the LeTour, Voyageur and Paramount. The 74 LeTour wasn't made of chrome moly, the Voyageur that year had chrome lugs, and the Paramount... well those are obvious and easy to spot with chrome Nervex lugs. Your '84 LeTour tubing decal would look like this: https://cimg2.ibsrv.net/gimg/bikefor...f591db6f8a.jpgPay no attention to the Schwinn downtube decal on the photo above. I removed the original yellow and white graphic and replaced it with the decal from about '79. |
Originally Posted by Tomsl923833
(Post 20965439)
How many teeth are on the small ring? 36?
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One thing that I don't think has been mentioned, is that the manufacturer was Bridgestone.
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Originally Posted by T-Mar
(Post 20965550)
One thing that I don't think has been mentioned, is that the manufacturer was Bridgestone.
I believe a number of other Schwinn models were made in Japan that year, however. |
Originally Posted by Hudson308
(Post 20965589)
I'm not one to disagree with you lightly Tom, but I'm pretty sure mine was brazed in Greenville, MS.
I believe a number of other Schwinn models were made in Japan that year, however. |
Originally Posted by T-Mar
(Post 20965665)
Sorry, I thought I'd read that it was Japanese model. :o
I would have just assumed Panasonic, like it was in the mid-70's. :) |
Originally Posted by Hudson308
(Post 20966319)
Well thank you for enlightening us that models made in Japan during this period were made by Bridgestone.
I would have just assumed Panasonic, like it was in the mid-70's. :) |
Originally Posted by Hudson308
(Post 20936805)
LeTour Luxe vs. Super Letour should be easy to sort, based on the crank (triple vs. double), and the paint color.
It likely isn't a '74. The only lugged frames that Schwinn sold in '74 were the LeTour, Voyageur and Paramount. The 74 LeTour wasn't made of chrome moly, the Voyageur that year had chrome lugs, and the Paramount... well those are obvious and easy to spot with chrome Nervex lugs. Your '84 LeTour tubing decal would look like this: https://cimg2.ibsrv.net/gimg/bikefor...f591db6f8a.jpgPay no attention to the Schwinn downtube decal on the photo above. I removed the original yellow and white graphic and replaced it with the decal from about '79. |
Not sure how thick the spacers are... they're the factory ones. I can measure them sometime in the next day or two. When I took it apart to refurbish it, I was a bit surprised that all three rings used the same bolts.
As far as the BB spindle length, I would assume you'll need a longer one. I never measured the length when I had it apart. |
Originally Posted by Tomsl923833
(Post 20968093)
Sorry to bother you but, what size spacers did you use on your triple and, am I going to be forced to change the BB going from double to triple? I got the exact same front and, rear derailleures you do.
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Originally Posted by Bianchigirll
(Post 20937377)
It is too bad more people don't have access to cameras.
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