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unknown with campy crankset?

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unknown with campy crankset?

Old 04-23-05, 01:08 PM
  #1  
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unknown with campy crankset?

One "really" light frame, wienmann cp.s Campagnolo sprocket and cranks, shimano front derailuer -suntour vista rear - remains of a afa frame pump "holder" - 58 cm dt. 59 cm tt. - pivo stem - simplex shifters. diacompe with hoods.
70745 marked on top left of bb.
beautifully wrapped handle bars with custom tape (duct tape)

what is it?
-steve

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Old 04-23-05, 01:57 PM
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Motobecane?

PJ
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Old 04-23-05, 03:17 PM
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What is the BB threading? What is the seatpost diameter? What is the headset diameter/threading? What is the handlebar stem diameter where it enters the steerer tube?
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Old 04-23-05, 03:51 PM
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As per John E., plus what make and style are the dropouts and what is the seatpost diameter?
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Old 04-23-05, 07:58 PM
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It has a 26.4 dia. seatpost in it. Not sure about the stem, i pulled it but no markings, ill get the ruler out, but it will only be a close guess.(give me a better idea how to measure the headset dia.) and the dropouts-not sure of the style or make, i will post a picture later, but they have no numbers or names on them. they have the "set screws" that adjust from the back, and includes a derallier hanger (not an extra piece). Notice the sticker mark on the seat tube. there is no headbadge hiding under the paint, nor is there holes for rivets/screws. front derailler dates 1988 but fuji seat dates 81.
aluminum seatpost.
-steve
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Old 04-23-05, 08:14 PM
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26.4 tends to point towards french. Look for markings indicating threading on the bottom bracket cup. Cable run on the top tube is reminescent of several french manufacturers. Looks pretty beat; can you remove the seatpost and stem? That would be the first problem I'd think about upon aquisition of this frame. Any signs of the frame being repainted/overpainted?
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Old 04-23-05, 08:26 PM
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Alex Singer... they are renowned for the use of duct tape on the bars (with shellac, of course!)

Last edited by Noah Scape; 04-24-05 at 06:28 AM.
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Old 04-23-05, 09:40 PM
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more pics
ill check bb tomorrow
-steve
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Old 04-23-05, 10:30 PM
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Originally Posted by Noah Scape
Alex Singer... they are renowned for the use of duct tape on the bars (with shellac, of course!)
ya - what is the deal with shellac? I've taken apart a couple of old bikes lately with shellac over benotto tape. I haven't ever shellaced anything except woodwork...and I must have missed this trend way back when. What purpose does the shellac serve (I mean, excluding looking cool?)?
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Old 04-24-05, 06:51 AM
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Originally Posted by luker
What purpose does the shellac serve (I mean, excluding looking cool?)?
It extends the useful life of bar tape tremendously.
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Old 04-24-05, 02:29 PM
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Under further examination (with the sunshine helping) -The rear dropouts are marked Brev(?) campagnolo.
And the bb is marked campagnolo made in italy 35 x 1
I need a bigger wrench than normal to remove the forks (looking for markings) Have to wait to get one.
Now im really curious.
-steve
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Old 04-24-05, 02:45 PM
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these look very close to this bikes

-steve
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Old 04-24-05, 03:28 PM
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Yeah, the shellac is a good thing. I'm about to re-do mine I like it so much!
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Old 04-24-05, 05:30 PM
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I'm pretty good with the google, but can't find a pic of the crankset. Find a lot of 5 pins but no 3 pins,,,
where am i looking to date the cranks?? the logo ?(where is the square/circle/diamond)
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Old 04-24-05, 06:27 PM
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Originally Posted by Iride
I'm pretty good with the google, but can't find a pic of the crankset. Find a lot of 5 pins but no 3 pins,,,
where am i looking to date the cranks?? the logo ?(where is the square/circle/diamond)

Iride,

Those are steel Campagnolo "Sport" cranks from the early '70s ('71-'74). I think they weren't dated like the Record cranks were. The Sport was soon replaced with an aluminum version, and I believe at that time called "Nuovo Gran Sport"....A couple years later Nuovo Gran Sport was a 5 arm version.

They're cool cranks, and a favorite of mine. They're what I put on my Colin Laing:
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Old 04-24-05, 06:57 PM
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A 35x1 BB cup and a 26.4mm seat post both point towards a French bicycle. The Campagnolo dropouts point towards a top end model. We can eliminate Peugeot as they used Simplex dropouts. What is curious are the cable stops on the top tube for a model with Campagnolo dropouts. Most top line models used cable clips. The big remaining clue is probably the location of the serial number.
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Old 04-24-05, 07:07 PM
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OK... My guess is Bertin.
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Old 04-24-05, 07:39 PM
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What about something like a Bertin... I haven't seen one in awhile but I remember they used that type of cable stop. Although, I'm not certain about the Campy dropouts on a Bertin and they would have likely had Mafac Racer brakes.
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Old 04-24-05, 08:10 PM
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t-mar = the location of the serial was on top of the bb. on the left side (non chain).

don't know if it helps but has b?m lugs. ? = c i think but not absolutely positive. might be a O.
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Old 04-24-05, 08:15 PM
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Originally Posted by Iride
t-mar = the location of the serial was on top of the bb. on the left side (non chain).

don't know if it helps but has b?m lugs. ? = c i think but not absolutely positive. might be a O.
BCM- Bocama lugs; not uncommon around the mid-late '70s.
Look at these on JM's Bertin - 2nd pic down:

http://www.classicrendezvous.com/France/bertin_moos.htm
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Old 04-24-05, 08:32 PM
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they look close, but seems that they all have this detail.

mine is flat there.
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Old 04-24-05, 08:37 PM
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Originally Posted by Iride
they look close, but seems that they all have this detail.

mine is flat there.

No; I was just pointing out the BCM lugs. I suspect yours is a couple of years older than JM's blue Bertin, which I think is very early '80s. I've got a Bertin from the early '60s with flat stay caps. I thought of Bertin 'cause I know they used BCM lugs, Campagnolo drop-outs, and lots of braze-ons that many other French non-custom builders weren't all using... My old Bertin even has Campagnolo shifter bosses brazed on to the down tube - made from a modified/cut up clamp-on shifter, and roller cable guides brazed on to the Nervex BB shell.
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Last edited by TheOtherGuy; 04-24-05 at 08:48 PM.
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Old 04-24-05, 08:45 PM
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Yes the lugs definately look similar.
any way to figure out what the frame material is (maybe to narrow it down)
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Old 04-24-05, 08:53 PM
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You can try pulling the fork to see if anything's stamped into the steerer tube. With a 26.4 seatpost, my guess would be Reynolds 531 in a metric size, but Durifort or Vitus could possibly use that size too....? What type of BB shell does the frame use? I think with more clues, we can all suss it out. I suspect most all of the components on that frame may not be original to the bike.
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Old 04-24-05, 09:02 PM
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Originally Posted by Iride
And the bb is marked campagnolo made in italy 35 x 1

-steve
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