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  1. #1
    Senior Member pdxpeugeot's Avatar
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    The price was perfect

    So I'm a complete newb, here, but I'm impressed by my one hour of lurking. I just picked up a free (I'm thinkin' 1980's) Peugeot ten speed.

    The cold, hard, truth is that I'm in love.

    I've always wanted an older, classic ten speed. And a few years ago my wife insisted I get my new bike at Target. I'll wait for the laughing and head-shaking to stop. I still have that bike, with a new paint job (day-glo orange) and it's kind of nice to keep around for the inclement weather (lots of rain!) or trail rides. But when I found this one in a craigslist "free" ad, I snatched it up.

    It was dirty, the tires were flat (I was told they'd need to be replaced). And here's what it looks like now.



    The tires (Specialized Turbo/LS 700 x 25c) hold air! I can't get them up to 105 PSI with my hand pump (I don't have an adapter for my foot pump...so that's on my list of things to get). Any bets on how much pressure the old tires can take?

    The rest of the stuff (peeling tape on the handlebars--I'm going to re-tape them in ORANGE!), the dirt, all these things I can fix. There just one thing preventing me and the bike from riding off into the sunset.

    The rear dérailleur.

    There is just all kinds of slack in the chain, and I think it has something to do with the a) position and/or b) springiness of the rear dérailleur.

    Here's some reference points:


    Up-side down (because that's how I work on my bikes) view of the rear derailleur in it's "natural" slack position. I don't think it should look like that.


    This is me holding it in a position that takes up the slack of the chain, but I can't tell if I'm missing some screws or some springs or what?


    Any help, including the model of the bike, or advice on fixing the existing dérailleur or getting a "new" one would be much appreciated.
    1981 Peugeot PFN10

  2. #2
    If I own it, I ride it CV-6's Avatar
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    There is just all kinds of slack in the chain, and I think it has something to do with the a) position and/or b) springiness of the rear dérailleur.
    Even without seeing a pic of the drive side (hint, hint), I can see the RD is either royally messed up or not installed correctly. The chain off the chainrings is not helping matters either.

    EDIT: Guess I could have looked at the other two pics.
    Last edited by CV-6; 06-29-07 at 04:42 PM.
    Lynn Travers

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    ISO: Lejeune Champion du Monde Ultra Leger Reynolds 753, 53-55cm

  3. #3
    FalconLvr
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    You need to remove the chain from the derailler, remove derailler from bike, then study the derailler to see how it should spring back from the position you are holding it in to be "correct" in that second photo. You will probably note that where the lower pivot bolt runs thru the derailler and engages the pully wheel cages there is a disconnect somehow, there should be a spring which extends into or engages the pully wheel cage. This spring is located inside of the lower derailer body and the pivot bolt (the big bolt with hex head) passes thru this spring. Anyway, possible problems are: Spring is broke, spring engagement point is broken off, pivot bolt too loose, thus spring not engaging pully housing, or, someone has taken the pivot bolt out and failed to replace it properly with the spring in the correct position. Lots of possibilities, just need to get the derailler off there and have a closer look.

  4. #4
    Senior Member tjspiel's Avatar
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    The pully cage (the thing you're holding in the picture) should be spring loaded. Maybe the spring's broken or just come loose. You could try removing the cage and seeing what's up.

    Nice Bike !

  5. #5
    The Improbable Bulk Little Darwin's Avatar
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    There is a torsion spring that should be applying pressure to the cogs to hold pressure against the cage to hold pressure against the chain.

    THe spring is generally wrapped around the pivot of the cage...

    Does that help you locate the spring?

    I don't know the specific derailleur, but sometimes there is a tab that holds an end of the spring, and if so, the spring needs to be set back into the notch, or what ever other method is used on that RD to ensure tension is applied to the cage.

    Have fun! (and watch your fingers too...)
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  6. #6
    Avenir Equipped BlankCrows's Avatar
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    That paint job and decal set looks like the PKN10E that I have. Reynolds 531 tubing on mine. Yours might say "Competition" on the top tube. I understand that model was second in line to the PX10 Super Competition model.

    What is that red decal under the seat? Looks like a license. It may be covering a Reynolds tubing sticker.

  7. #7
    Senior Member pdxpeugeot's Avatar
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    Good eyes!

    That decal is from the original owner, a bike pass from the University of Oregon that expires 9/30/05. On that date I would have been 6 years old. Crazy.

    And thanks to all you others for the help, I'll get out my wrenches and see how much damage I can do.

    My (very uneducated) guess is that there is a spring and possible a bolt missing. Near the top spinny-sprocket thingy there is an empty whole, and there just isn't any empty holes on the rest of the derailleur, so add that to all your guys' advice, and I think I found the culprit.

    So if there is something missing, what next? Do you think there's still parts around and someone with the loooonng memory to fix it? What about replacing the derailleur. I'm so hung up on the the Peugeot package that I wouldn't want to replace it with un-authentic parts. What's the chance of getting a brand-correct part on the darn thing?

    Thanks, you all, for the help, I'd be scratching my head for weeks if it weren't for your advice.
    1981 Peugeot PFN10

  8. #8
    Dolce far niente bigbossman's Avatar
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    Quote Originally Posted by pdxpeugeot
    So if there is something missing, what next? Do you think there's still parts around and someone with the loooonng memory to fix it? What about replacing the derailleur. I'm so hung up on the the Peugeot package that I wouldn't want to replace it with un-authentic parts. What's the chance of getting a brand-correct part on the darn thing?
    I wouldn't worry about replacing it with "un-authentic parts". In fact, I'd make a point of replacing it with a Suntour rear derailluer.

    Most any one of us can send you one for the price of postage. PM me if you want one.
    "Love is not the dying moan of a distant violin, it’s the triumphant twang of a bedspring."

    S. J. Perelman

  9. #9
    don't be so angry clancy98's Avatar
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    cant speak for the pressure of the tires, but check the rims, if they are straight walled inside, then less than 90 is generally recommended. If they have a bead seat, that is not necessarily a limitation. As for the der, take off the chain and see if is not just rotated the wrong way taking the spring out of play. The spring is wrapped around the pivot of the cage, and sometimes, it can be rotated 360 degrees, taking the part of the spring that stops it on the der body and moving it to the other side. Its hard to explain, just take off the chain and try to spin it and look betw. the body and the cage.
    Irregardless is not a word, and you do not sound more intelligent using it.

  10. #10
    Texas Sec. 545.401 Rammer's Avatar
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    "...a few years ago my wife insisted I get my new bike at Target"

    "...expires 9/30/05. On that date I would have been 6 years old."

    I'm guessing there's a typographical error in the above date, because if you were six years old in 2005, you'd be only about eight years old now, and that's quite young for here (but only a few years younger than Kurt ) and especially for a married guy.

  11. #11
    Novist senior member tolfan's Avatar
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    that empty hole is the problem. there should be a bolt like piece to stop the cage. turn the cage one full turn. See how it wants to snap back? Thats what you need so it will pull the chain tight. The bolt goes in to hold the tension after you turn the cage. I have the same derailer on a parts bike. I'll see if I can get the part you need off. No charge just let me know whare to send it. I have a peugeot all over the kitchen floor at the moment.
    There are some things a man needs to believe in wether they're true or not;

  12. #12
    Senior Member Bikedued's Avatar
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    Wow, free is a perfect price. And you did very well! Congratulations on a beauty of a Peugeot! The other guys seem to have the derailleur thing handled. Cyclone M-II would be a nice replacement, of course I'm somewhat biased.,,,,BD

    I've found some decent bikes for cheap, but a 531 Peugeot for free??

  13. #13
    Senior Member pdxpeugeot's Avatar
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    Typographical error a la NASA, LMAO!

    I'm guessing there's a typographical error in the above date, because if you were six years old in 2005, you'd be only about eight years old now, and that's quite young for here (but only a few years younger than Kurt ) and especially for a married guy.

    Yeah, no kidding. I meant to write "9/30/85"

    That makes more sense.
    Last edited by pdxpeugeot; 06-29-07 at 11:13 PM.
    1981 Peugeot PFN10

  14. #14
    Senior Member pdxpeugeot's Avatar
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    Quote Originally Posted by BlankCrows
    That paint job and decal set looks like the PKN10E that I have. Reynolds 531 tubing on mine. Yours might say "Competition" on the top tube. I understand that model was second in line to the PX10 Super Competition model.

    What is that red decal under the seat? Looks like a license. It may be covering a Reynolds tubing sticker.

    I'm just a little bit skeptical that a bike that sounds that nice would be free. I felt around under the university pass and didn't feel the outline of a sticker. The marks I did see were on the frame up near the handlebars. It looked like a joined "13" (like the one and the three were joined at the top" and then a smaller "30" (raised higher, like a footnote almost) next to it. The letters "BCM" were near the numbers.

    The serial number, as far as I can tell, is B228711*. Does that help at all?

    And thank you guys again for all the nice comments. It's nice to find some true afficiandos.
    1981 Peugeot PFN10

  15. #15
    Senior Member WilliamK1974's Avatar
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    Where do you people live? I've never been offered any kind of free bike. Even with its problems, this is a great free bike that shouldn't take much to fix up and get back on the road. I've not seen anything like this around here.

    My brother has a Peugeot Montreal Express that he got for $15 at a yard sale in Roswell, GA. Not free and not here, but still...

  16. #16
    Senior Member pdxpeugeot's Avatar
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    Alrighty....

    I stuck a nut and bolt through the mysterious hole, after turning the basket around. Whaddya know! Instant tension! Then I ground the bolt head down so the chain could pass through. Next thing you know, I'm flying down the street, the wind in my hair, furiously pumping the pedals.

    I love it.

    Experiences like these make you think about destiny and all that other drivel.

    In other news, I found some writing on the horizontal tube: "Course" Does that mean anything?
    1981 Peugeot PFN10

  17. #17
    Senior Member joe v's Avatar
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    Nice Peugeot! 'Course' = 'race', btw.

  18. #18
    Novist senior member tolfan's Avatar
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    My peugeot says course on the top tube and uo10 on the bottum bracket. The french are very liberal with the word race.
    There are some things a man needs to believe in wether they're true or not;

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