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qu-ax creak

Started by skicker · · Last activity · 6 posts · 262 views

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rec.sport.unicycling
Published
17 March 2005
Last activity
18 March 2005
Original author
skicker
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6
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  1. The left crank on my recently bought 24" splined muni has started
    creaking.

    I tried tightening, which stopped it for a bit.
    Then i tried taking off, cleaning, putting back on and tightening, which
    stopped it for even less time.
    Then i tried taknig it off, cleaning, applying blue loctite, tightening
    and leaving it overnight, which started it creaking again almost
    straight away.

    How much loctite should i be using? What should I clean the surfaces
    with and which surfaces should I be applying the loctite to? The raised
    splines on the hub or what? Should I be putting loctite on the bolt that
    holds the crank on that goes through the hub and the bolt that tightens
    the crank to the hub too?

    Right crank is fine, but i think i must put more weight on my left crank
    when hopping etc. Any ideas?

    --
    skicker
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  2. on a splined crank use Bullshot or Finish Line grease.... no need for
    loctite on a splined crank.

    if the creak continues, its inside the hub shell.

    PS, tighten crank bolt first, then the pinch bolt.

    --
    jagur - Sealed in Carbonite

    Smoke me a kipper, I'll be back for breakfast.
    ---------------------------------------------------
    -forget_your_life-
    --------------------------------------
    -------*muni militia *-------
    *one wheeled death squad*
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  3. Thanks for the tips. Ive greased up the splines and tightened everything
    but im still getting a creak.

    Im not sure now whether its coming from the cranks or not, could it be
    the bearing holders? How tight should these be?

    --
    skicker
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  4. skicker said:

    *Thanks for the tips. Ive greased up the splines and tightened
    everything but im still getting a creak.

    Im not sure now whether its coming from the cranks or not, could it be
    the bearing holders? How tight should these be? *

    The bearing holders should be tight enough to be snug but not so tight
    that they bind the bearings. It's a fine line between snug and too
    tight. It is very easy to overtighten the bearing holders.

    The noise could also be coming from the spokes creaking and rubbing
    against each other. Try putting a little grease where the spokes cross
    each other. If the noise is from the spokes it is a sign that the
    spokes need to be properly tensioned and stress relieved. If that's the
    problem then take the wheel to a good bike shop that likes to build
    wheels and have them tighten all of the spokes. Wheels built on an
    assembly line are often not tensioned and stress relieved properly so
    they need a little TLC from your local wheel builder to make them good.

    --
    john_childs - Guinness Mojo

    john_childs (att) hotmail (dott) com
    Gallery: '' (http://www.unicyclist.com/gallery/john_childs)
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  5. Thanks for all the help.

    Looks like it was the bearing holders. After the creaking started it
    tried tightening them and it looks like i actually bent bottom parts of
    the housing by tightening too much. Taking them off, cleaning up the
    bearings (which had got a bit of rust on them), greasing everything up,
    bending the holders back into shape using a impact adjustment tool
    (hammer) and putting everything back together seems to have stopped the
    creak.

    Those bearing holders dont seem very sturdy though, the lollipop ones on
    my old pashley, which everyone says are rubbish, look a lot stronger and
    less likely to cause this kind of thing. In any rate i think i might try
    and find some nylon tubes or something to put on the bolts in the gap
    between the top and bottom bearing holder pieces. At least that would
    stop me bending them again and would take some crushing pressure off the
    bearings. Anyone have any ideas of something i could use for that?

    Cheers

    --
    skicker
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  6. Please put me in the "not rubbish" camp. My Pashley 26" MUni with a
    Gazz 26x2.6, after upgrading just about everything 😄, is a really nice
    machine. I haven't had any problems with the bearing holders. They are
    a little fiddly, as are the main-cap style, and the Miyata style, but
    they are definitely not rubbish. And they house the bearings perfectly.
    Some of the more modern frame designs do a "main cap" much better and
    seem to combine the best of the main cap and the lollipop designs. They
    are more like a split lollipop and are more convenient, but still house
    the bearings nicely.

    David Bagley, known as UW here, puts dense rubber washers between those
    arms on his Sem 2-wheeler. They seemed to have worked wonders for the
    two-wheeler, and he is getting quite good on it, practicing regularly.
    So you might have the same experience with a normal frame.

    --
    U-Turn - Member of Generation XO

    Weep in the dojo... laugh on the battlefield.
    'LiveWire Unicycles' (http://www.livewireunicycles.com)
    'Strongest Coker Wheel in the World'
    (http://www.unicyclist.com/gallery/albup39)
    '29er Tire Study' (http://u-turn.unicyclist.com/29erTireStudy/)
    'New York Unicycle Club' (http://www.newyorkunicycle.com)
    -- Dave Stockton
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