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Help identifying a vintage road bike, serial "FW00668"

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Help identifying a vintage road bike, serial "FW00668"

Old 09-04-13, 09:59 AM
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marcpro
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Help identifying a vintage road bike, serial "FW00668"

I have a road bike given to me by a friend, but there is no badge, only a serial number on the frame. I am trying to identify the frame because everything else is decent quality 1975-ish components.

For example, the derailleurs are both Suntour Vx, brakes are Campy Gran Compe, crankset is Sugino Mighty Tour, wheels are Weinmann Super Concave with Campy Record hubs and DT Swiss spokes, seat stem is Laprade, headset is Campy, handlebars are 3T.

Serial is FW00668. The frame is probably a touring frame, since it has mounting holes on the back stays for a panier rack.

I'm still searching but haven't found any site that talks about serial numbers with "FW" prefix yet.

Thanks for any help you can send my way.
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Old 09-04-13, 10:26 AM
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Any good pics showing frame details like lugs, droputs, stay caps? Any name on the dropouts? An FW in the serial number wouldn't necessarily relate the name of the manufacture. It could be a date code like June 20th or even a paint code
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Old 09-04-13, 04:58 PM
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I'll get better pictures up shortly. The dropouts have Shimano ST on them. Nothing on the stay caps.

I've got a few pics on FB, although not many good ones of the frame. Not sure if the link will work from this forum:

https://www.facebook.com/media/set/?...1&l=59e57c67ef

All I know is the bike was bought in a bike shop in Barry, Ontario around 1975.
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Old 09-04-13, 06:47 PM
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Looks to be a very nice bike based on the mix of nicer 70's components, while a little rough condition wise these where about the nicest components one could get for a light touring bike in 1975. Yet for a good ID we need to see a good detailed pice drive side of the whole bike, the drive train, rear dropouts, and frame details headset and seat cluster. If you want a WAG on value I would say at least $300 based on components. But still no clue as to what it is without better detailed pics posted here.
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Old 09-04-13, 07:48 PM
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The Shimano dropouts suggest it is Asian manufacture, in which case the Campagnolo componets are replacements. The Vx derailleurs came in 1978 but they not be OEM either, as most manufacturers used the same brands for derailleurs and rear dropout. Are you sure the dropouts say ST and not SF? Shimano extended the top bar on the F backwards, so that it joined the S. If you remove the fork, there may be stampings on the steerer tube for a date code and brand.

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Old 09-04-13, 08:34 PM
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Actually the VX DR's came out in limited use for the 75/76 model yearl I have had a couple of 75 Nishki' that had VX stock. They came into wide production release in 78. As T-mar points out buy these details the bike is likely built up from a nicer mid 70's Japanese frame as to if it was built up then or rebuilt at a later who know's.
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Old 09-04-13, 08:39 PM
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Very nice vintage components on this bike other than the saddle which just looks really wrong in the bike. You have a good friend. This is a very nice bike.
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Old 09-04-13, 09:21 PM
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BTW I think they are diacomp brakes, not campy. Looks to be a mid-high end Japanese bike of the late 70's early 80's to me. definitely replacement wheels.
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Old 09-04-13, 09:29 PM
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Actually I do know zukahn1... just forgot some background info, sorry. The frameset was purchased in a bike shop in Barry, Ontario by the original owner in ~'75, and all components were purchased separately and the bike was built up from scratch.
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Old 09-04-13, 09:35 PM
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Well this is good info it expalins most everything about the bike except who made the frame. To which I stil have no real clue other than it it is fairly high end.
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Old 09-04-13, 09:41 PM
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Originally Posted by howsteepisit View Post
BTW I think they are diacomp brakes, not campy. Looks to be a mid-high end Japanese bike of the late 70's early 80's to me. definitely replacement wheels.
Hmmm... I don't know, howsteepisit, the brakes clearly say Gran Compe, even on the brake calipers. I thought that made them Campy, not Diacomp? Mind you, the boots don't have a Campy logo on them, so you may be right.
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Old 09-04-13, 09:44 PM
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Originally Posted by Bianchigirll View Post
Any good pics showing frame details like lugs, droputs, stay caps? Any name on the dropouts? An FW in the serial number wouldn't necessarily relate the name of the manufacture. It could be a date code like June 20th or even a paint code
Here are some shots of the lugs, Bianchigirl.

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Old 09-04-13, 09:46 PM
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Originally Posted by bikemig View Post
Very nice vintage components on this bike other than the saddle which just looks really wrong in the bike. You have a good friend. This is a very nice bike.
LOL... yeah, bikemig, the original saddle was a Brooks brown leather, which is now on my commuter bike. The current saddle is very comfortable for long rides (~90-120kms). My commutes on the other hand are only 23km (one way).
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Old 09-04-13, 10:33 PM
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More pictures

And here are more pictures of the dropouts, I think we're getting somewhere here. The front dropouts clearly say Tange, and the back Shimano SF (not ST as I previously thought).



Is it probable that if the fork is Tange, so is the rest of the bike's tubing? This still doesn't tell me the brand and make, but there's a possibility that the original owner bought a custom frame actually made by the bike shop itself, with Tange tubing... that might explain why there's no head badge.
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Old 09-05-13, 07:32 AM
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Most likely the manufacturer bought a standard Tange fork. That's why I previously asked you to remove it and check for a manufacturer's stamp and date code. Given the Shimano rear dropout and serial number format, it almost certainly an Asian, mass manufactured frame. This would typically mean Tange or Ishiwata tubing. The seat post diameter will provide further clues. Custom frames display much better workmanship.



Edit: BTW, those are not rack eyelets on the back but fender eyelets. Though they can be used for racks, the primary set of eyelets are commonly called fender eyelets, with the second set (if present) beeing called rack eyelets. So far, I don't see anything to indicate this is a (grand) touring frame.

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Last edited by T-Mar; 09-05-13 at 07:39 AM.
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Old 09-05-13, 12:00 PM
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My closest match so far is a Sekine RM-20:


Original image credit (and larger version): https://www.mytenspeeds.com/My_TenSpe...Full_TQF_1.jpg

And more shots here (parent folder for above pic), including lugs close-ups:
https://www.mytenspeeds.com/My_TenSpe...ekine_RM20_56/
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Last edited by marcpro; 09-05-13 at 12:07 PM.
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Old 09-06-13, 05:47 AM
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Yes, it could be a Sekine but in that case, it's definitely not circa 1975, as I was a Sekine dealer back then and there's lots of discrepancies on the frame, besides the serial number. Assuming it is a Sekine, we're talking circa 1981/1982, in which case it would be an RM22, which was an upper entry level model with a hi-tensile frame. What's the seat post diameter?

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Old 09-06-13, 08:20 PM
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T-mar: Seat tube diameter 1 1/8" exactly. Seat post is just a tiny smudge over 26mm, sorry I don't have a precise measuring tool, just a good quality crescent wrench with mm markings on it. It shows just a tiny tiny bit over 26mm, so maybe 26.2?

Originally Posted by T-Mar View Post
Yes, it could be a Sekine but in that case, it's definitely not circa 1975, as I was a Sekine dealer back then and there's lots of discrepancies on the frame, besides the serial number. Assuming it is a Sekine, we're talking circa 1981/1982, in which case it would be an RM22, which was an upper entry level model with a hi-tensile frame. What's the seat post diameter?

(84)

Last edited by marcpro; 09-06-13 at 08:31 PM.
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Old 09-07-13, 07:44 AM
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The best method to accurately measure a seat post without a caliper is to cut a 1cm x 10cm strip of paper and warp it tightly around the post. Mark where the paper overlaps with a sharp pencil. Remove the strip and meansure forn the end of the strip to the mark. Divide this measurement by 3.14 to get the diameter. Using this method you should easily be able to measure the dimameter to within 0.2mm, which equates to a circumference measurement accuracy of +/- 0.628mm, however you may want to repeat the process to ensure accuracy.

26.2mm is in hi-tensile steel territory and around what I would expect on an RM22. Right now it's not looking anything like what it was represented as. It's not custom, not anywhere near 1975 and not a touring bicycle.
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Old 03-07-14, 09:35 AM
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Originally Posted by marcpro View Post

I'm still searching but haven't found any site that talks about serial numbers with "FW" prefix yet.

Thanks for any help you can send my way.
Marcpro,

Here as a Sekine with the serial number FW00304, (I think there is a 4 on the end). I don't know what model.


I have also seen a Sekine with serial number FV01352.
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