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  1. #1
    Ride More seedsbelize's Avatar
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    Nov 2010
    Location
    Mérida, Yucatán, México
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    '78 Schwinn World Sports, '93 Giant Prodigy, '84 Schwinn Letour Luxe, '87 Schwinn Prelude(2), 91 Giant Yukon, 92 Schwinn Paramount PDG 5 unicrown.
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    new to headset adjustment

    Hi All,
    I bought a '91 Giant Yukon frameset from a bike co-op in Ohio, brought it down here, and assembled it. Not having a 36 mm headset wrench, I had it professionally adjusted, and I watched him do it. 40 km later, it's so loose I'm afraid to ride it home, but have no choice(I was only 15 km out). I fiddled with it myself, this morning, and could only get the slop out if the steering was also way tight. So I set it tight, put loctite on the threads, tightened down the locknut, and then backed it off incrementally. I know this isn't a proper fix, but don't know what is. New fork? New headset? both?
    It loosens with the application of the front brakes.
    Thanks,
    Seeds

  2. #2
    Mechanic/Tourist
    Join Date
    Apr 2007
    Location
    Syracuse, NY
    My Bikes
    2008 Novara Randonee - love it. Would have more bikes if I had time to ride them all. Previous bikes: 1968 Motobecane Mirage, 1972 Moto Grand Jubilee (my fav), Jackson Rake 16, 1983 C'dale ST500.
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    If yu had it adjusted why not take it back - should not have come out of adjustment that easily. There may be a missing lockwasher between upper race and loknut, as even without the headset wrench you should be able to gently hold the upper race with a protected pair of channelocks and tighten enough to hold. Really hard to tel what it needs remotely.
    There's no such thing as a routine repair.

    Don't tell me what "should" be - either it is, it isn't, or do something about it.

    Please take the time to post clearly so we can answer quickly. All lowercase and multiple typos makes for a hard read. Thanks!

  3. #3
    Old fart JohnDThompson's Avatar
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    Nov 2004
    Location
    Appleton WI
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    Threaded or threadless headset?

    If it's a threaded headsetand keeps loosening, examine the threads (both on the steer tube and threaded headset parts) for damage.

  4. #4
    Ride More seedsbelize's Avatar
    Join Date
    Nov 2010
    Location
    Mérida, Yucatán, México
    My Bikes
    '78 Schwinn World Sports, '93 Giant Prodigy, '84 Schwinn Letour Luxe, '87 Schwinn Prelude(2), 91 Giant Yukon, 92 Schwinn Paramount PDG 5 unicrown.
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    This guy is independent, and makes his money from the full carbon race types. He does my stuff more as a favor, and charges me practically nothing (75 cents to shim and press in the headset races, for example, on my road bike). Mostly I go to him for advice, as I learn to do my own work. So it's channel locks for me. I thought maybe there was an obvious issue. Guess not. Would the wrong size retainers cause this issue?

    Edit: Threaded
    Last edited by seedsbelize; 09-29-12 at 09:42 AM.

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