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  1. #1
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    Peugeot rear derailleur

    Hi there.

    I am a newbie on here and somewhat of a bike novice so will try my best to describe the problem.

    I have a 10 speed peugeot early 1980's peugeot racer. It has downtube shifters and a 5 speed freewheel.

    Within the last few days the derailleur broke and bent after getting caught in my rear wheel. It was made by 'Sachs Huret' (I have included a picture as an attachment) and it also read '24 28 dents teeth' on it , although I have no idea what this means.

    Im looking to replace it with a like for like although 'Sachs Huret' are no longer in business so which make should I go for? and also should I go for a short or medium cage one?

    Thanks!
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  2. #2
    Senior Member ColonelJLloyd's Avatar
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    Here's an auction for what looks like your RD. However, unless the derailleur hanger is RD specific, I think your money would be better spent buying a used or NOS RD of better quality. Search the bay or the Bike Forum C&V sales forum.

  3. #3
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    Any derailleur will work, but you might have to tap the RD hanger (where it mounts) and/or modify the stop cam (a plate which controls the angle the derailleur mounts at. It's straightforward work and any decent mechanic should be able to do it for not much dough. Bring it to a few shops and compare estimates because some will try to sell you more than you need.
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    So should I take it in somewhere to get it fixed rather than doing it myself? If I buy the derailleur myself would someone in a bikeshop fit it for me? or should I leave it to the experts to decide which derailleur I should go for?

    I went to one bike shop today and they said it would cost around 30 pounds (45 dollars) for the rear derailleur and an extra 35 pounds (55 dollars) to fit it and give the gears a full service. Seems like a bit of a rip off to me.
    Last edited by mistergbrown; 07-22-10 at 03:09 PM.

  5. #5
    Senior Member miamijim's Avatar
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    The dropout is probably bent and will need to straightened. Thats a job thats most suited for a professional. Installing a new rear derailleur is relatively straight forward. Any modern deralleur will work with NO modifications to the frame. Your Peugeots derailleur hanger is already tapped and it already has a notch.

    I'd install an all metal Shimano derailleur.
    WWW.CYCLESPEUGEOT.COM 2005 Pinarello Dogma; 1991 Paramount PDG 70 Mtb; 1976? AD Vent Noir; 1989 LeMond Maillot Juane F&F; 1993? Basso GAP F&F; 1989 Terry Symmetry; 2003 Trek 4700 Mtb; 1983 Vitus 979

  6. #6
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    thanks. What do you mean by my 'Peugeots derailleur hanger is already tapped and it already has a notch'. Is this a good or a bad thing?

  7. #7
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    Quote Originally Posted by mistergbrown View Post
    Ok thanks...so you would recommend me taking it somewhere to get fixed then rather than doing it myself? If I buy the derailleur myself would someone in a bikeshop fit it for me or would you recommend me to leave it to the experts to decide which derailleur I should go for.

    I went to one bike shop today and they said it would cost around 30 pounds (45 dollars) for the rear derailleur and 35 pounds (55 dollars) to fit it and give the gears a full service. Seems like a bit of a rip off to me.
    here's the thing. if you get the identical derailleur it's an easy swap and you can do it yourself with maybe some help from an internet tutorial. If you buy a different brand it's more complicated because you old Peugeot hanger is different than modern ones. It adds extra work, and might require some special tools, namely a 10mm tap, or possibly a 10mm thin nut, plus some filing. It shouldn't cost as much as you were quoted, which is why I suggested getting multiple estimates.

    If there's a down scale shop around that caters to more downscale clientele or messengers and commuters that's more adapted to keeping old stuff alive that would be a better bet.

    keep in mind that you could buy a nicer used bike than what the first shop wanted to fix your old Peugeot, and you need to be cold blooded about this, Find out what decent used bikes cost and set an absolute cap on what you'll sink into this machine.
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  8. #8
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    I would not recommend trying for another frame mount derailleur at all, especially considering the age and condition of the bike. Many of the older Huret derailleurs used a completely different stop position on the hanger that would not allow a modern derailleur to work, not to mention the expense of tapping threads and aligning the hanger. I would suggest a simple Shimano Tourney with hanger - under 10 pounds. http://www.shopwiki.co.uk/_Shimano+T...9&o=1100881169

    Should not be difficult at all to mount.
    Last edited by cny-bikeman; 07-22-10 at 03:24 PM.

  9. #9
    Senior Member miamijim's Avatar
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    Quote Originally Posted by mistergbrown View Post
    thanks. What do you mean by my 'Peugeots derailleur hanger is already tapped and it already has a notch'. Is this a good or a bad thing?
    Its a good thing and was in reference to post #3. Simply stated, its built to the industry standard and anything will bolt on will bolt on with no modification to the frame. Of course, the frame will need to be fixed first.
    WWW.CYCLESPEUGEOT.COM 2005 Pinarello Dogma; 1991 Paramount PDG 70 Mtb; 1976? AD Vent Noir; 1989 LeMond Maillot Juane F&F; 1993? Basso GAP F&F; 1989 Terry Symmetry; 2003 Trek 4700 Mtb; 1983 Vitus 979

  10. #10
    Old fart JohnDThompson's Avatar
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    Before you replace it, make sure it's not something simple. It looks to me like the cage spring has come off its stop. Perhaps if you place it back where it belongs it will be back to normal.

  11. #11
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    Im pretty sure that it has been bent because the chain does'nt pass through it cleanly anymore

  12. #12
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    I think I might just get the Shimano Tourney with hanger that someone mentioned previously and try to fit it myself. Would this be a bad idea?

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    Old fart JohnDThompson's Avatar
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    Quote Originally Posted by mistergbrown View Post
    Im pretty sure that it has been bent because the chain does'nt pass through it cleanly anymore
    Ok, but don't toss the old one. The mounting hardware for some of those Huret derailleurs is hard to find sometimes. I'm interested in it, in any case.

  14. #14
    coprolite fietsbob's Avatar
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    Being French Dents = Teeth 24 ~28 tooth big gear on the wheel..
    have you considered a single speed conversion?

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    Yeh I have considered but I use the bike for commutes into work and there are some killer hills to climb!

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    i've also got a similar problem exept my derailleur wont switch into the highest gear so i'd rather change it to a newer one(mines also a sachs huret but a six speed on an 1985 bike) i was looking at a shimano tourney/shimano tiagra 4500 but im not sure i which would be better
    plus sometime in the future id like to replace the crankset and bottom bracket(when i get some money) what parts would you recomend for this job

  17. #17
    Senior Member miamijim's Avatar
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    Quote Originally Posted by granda View Post
    id like to replace the crankset and bottom bracket(when i get some money) what parts would you recomend for this job
    RD: Shimano. Anything thats all metal. Old z-series, old Exage, 105...whatever. As long as its all metal.
    BB: Cartridge style. Shimano UN-5X series or equivelant.
    Crank: Whatever. Just make sure it has a common bolt pattern. i.e. 130 or 110 bcd
    WWW.CYCLESPEUGEOT.COM 2005 Pinarello Dogma; 1991 Paramount PDG 70 Mtb; 1976? AD Vent Noir; 1989 LeMond Maillot Juane F&F; 1993? Basso GAP F&F; 1989 Terry Symmetry; 2003 Trek 4700 Mtb; 1983 Vitus 979

  18. #18
    Senior Member Grand Bois's Avatar
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    Don't be confused by FBinNY's posts. In this case, he's completely wrong. He seems to think that's a Simplex hanger and it is not.

  19. #19
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    Quote Originally Posted by Grand Bois View Post
    Don't be confused by FBinNY's posts. In this case, he's completely wrong. He seems to think that's a Simplex hanger and it is not.
    I don't think it's a Simplex hanger, or any other particular hanger. I can't be "completely wrong" because I only mentioned the possibility (the operative word being "might") that the hanger might be unthreaded, and/or have a different stop tab position.

    The solution is easy, the OP should remove the old derailleur and see for himself, then can determine how much effort (if any) it would take to mount a new RD. IMO it's better to confirm what he needs in advance than to buy the wrong part, (see quote below my signature) but that's just me.

    in any case it's the OPs bike and he should do as he sees fit.
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  20. #20
    Senior Member Grand Bois's Avatar
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    If the hanger is unthreaded it's a Simplex. Peugeot stopped using unthreaded Simplex hangers long before that bike was produced. Standard Campagnolo style hangers were used after that. Miamijim stated that any derailer will work and your post contadicts him. He is correct and you are not.

  21. #21
    Senior Member JTGraphics's Avatar
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    Given the questions you are asking I'd take it to someone that you can agree on a price on and let them do it for you.
    It may not be fancy but it gets me were I need to go.
    http://www.jtgraphics.net/cyclist_bicycles.htm

  22. #22
    Old fart JohnDThompson's Avatar
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    Quote Originally Posted by fietsbob View Post
    Being French Dents = Teeth 24 ~28 tooth big gear on the wheel...
    Huret provided two mounting points for the pulley cage: the one marked "24 dent" places the cage closer to the cogs, making shifting a bit faster, but limiting the largest cog size to 24T. The one marked "28 dent" moves the cage away from the cogs to accommodate a larger cog, at the cost of slightly slower shifting.

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    OMG this is so confusing...so many people telling me so many things. I thought It would be the case of picking up a derailleur and putting it on myself. How wrong was I! Thanks for everyones help on this!!!
    Last edited by mistergbrown; 07-24-10 at 02:03 AM.

  25. #25
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    Ok. So I thought i would stick with this.

    I've taken the rear derailleur off the bike and the thread looks fine on the dropout. (please see attached pics).

    Still not sure whether this rear derailleur would still be good to use or whether to buy a new one?
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