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  1. #1
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    Order of bearings in Peugeot PSN-10 Headset/Fork?

    Hi,

    Rookie here. Was taking apart a 1985 PSN-10 bike to clean parts and lost order of bearings/pieces between handlebar and fork. I've put it back together and it appears to be ok (and I even rode for a few miles) but I'd prefer not to kill myself or ruin the parts over time due to bad installation. Anyone know where I can find an exploded view or some sort of instructions detailing the order in which I should connect the parts?

    Thanks.

  2. #2
    Senior Member auchencrow's Avatar
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    This is pretty much the standard order for any quill-type stem. The most common mistake is installing the bearing retainer upside down. ( I think most people prefer loose balls to the bearing retainers though. )

    - Auchen

  3. #3
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    Quote Originally Posted by auchencrow View Post
    This is pretty much the standard order for any quill-type stem. The most common mistake is installing the bearing retainer upside down. ( I think most people prefer loose balls to the bearing retainers though. )

    Whoa thanks. So one of the differences is i seem to have 4-5 of those seal pieces. Half are large half are medium. A couple are near crown and I ended up stacking 3 together under the headtube race

  4. #4
    Senior Member Grand Bois's Avatar
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    You don't have roller bearings, do you?

  5. #5
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    Quote Originally Posted by Grand Bois View Post
    You don't have roller bearings, do you?
    I have these 2 things which I ended up stacking on each other separated by a washer on the fork side... which I'm now thinking is incorrect. I don't see any actual balls as shown in the image above.

    bearings.jpg

  6. #6
    Senior Member kc0yef's Avatar
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    riding

  7. #7
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    Yup. In fact, used both of your suggestions (on top of other websites) last night when putting it back together but they're more of a general overview versus exactly what my bike has Thanks for the response.

  8. #8
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    MYSTERY SOLVED, I hope this helps someone someday:

    The Retrogrouch: Roller "Needle" Bearing Headsets - Shows an exploded view of the Stronglight A9 headset. The PSN-10 came with a Stronglight B10 (which apparently is just the composite version of the A9 anyway!).

    VeloBase.com - Component: Stronglight B10 Bernard Hinault (Stronglight B-Hinault on locknut) - Additional detail

    IMG_2734.jpg

  9. #9
    Senior Member Grand Bois's Avatar
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    You answered your own question. Nice work!

  10. #10
    Senior Member rootboy's Avatar
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    Roller bearings. The single best improvement in head set design in the last 50 years, IMO. Too bad more sets didn't have them.
    Computers are useless. All they can give you are answers.
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