Cycling Equipment · Public discussion

Fork Wobble

Started by BobI · · Last activity · 6 posts · 436 views

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Cycling Equipment
Published
3 September 2004
Last activity
4 September 2004
Original author
BobI
Posts
6
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Public discussion
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  1. Does anybody else have this problem? Or maybe it's not a problem?

    Just today I was standing over my road bike, with a carbon fork and
    integrated headset, and checking the brakes before going off for a ride. I
    squeezed the front brake and rocked the bike fore and aft with the brake on
    and noticed, and felt, the fork move inside the head tube. The bearings are
    preloaded correctly and the brake caliper was tight on the fork. The top
    bearing seems to move inside the head tube a small amount and the fork
    steerer tube doesn't fit very tightly inside the top bearing. Is this
    normal?
    I checked my other road bike, integrated headset and carbon fork also, and
    it has the same wobble. If this situation is abnormal how do I fix it? Or is
    this a feature of integrated headsets. Any opinions?

  2. BobI said:

    Does anybody else have this problem? Or maybe it's not a problem?

    Just today I was standing over my road bike, with a carbon fork and
    integrated headset, and checking the brakes before going off for a
    ride. I squeezed the front brake and rocked the bike fore and aft
    with the brake on and noticed, and felt, the fork move inside the
    head tube. The bearings are preloaded correctly and the brake caliper
    was tight on the fork. The top bearing seems to move inside the head
    tube a small amount and the fork steerer tube doesn't fit very
    tightly inside the top bearing. Is this normal?
    I checked my other road bike, integrated headset and carbon fork
    also, and it has the same wobble. If this situation is abnormal how
    do I fix it? Or is this a feature of integrated headsets. Any
    opinions?

    When my headset develops play I adjust it. Then it goes away.

    Bill "pre-load needs a tweak is all" S.

  3. BobI wrote in message ...

    Quoted message said:

    Does anybody else have this problem? Or maybe it's not a problem?

    Just today I was standing over my road bike, with a carbon fork and
    integrated headset, and checking the brakes before going off for a ride. I
    squeezed the front brake and rocked the bike fore and aft with the brake on
    and noticed, and felt, the fork move inside the head tube. The bearings are
    preloaded correctly and the brake caliper was tight on the fork. The top
    bearing seems to move inside the head tube a small amount and the fork
    steerer tube doesn't fit very tightly inside the top bearing. Is this
    normal?
    I checked my other road bike, integrated headset and carbon fork also, and
    it has the same wobble. If this situation is abnormal how do I fix it? Or


    is

    Quoted message said:

    this a feature of integrated headsets. Any opinions?


    What sort of 'feature' would that be?

    Trevor

  4. Thanks for the advise. I'll try adjusting the bearings again.

    Trevor,
    Well in the software world "features" include known and unknown bugs and
    secruity holes, esp MS products of old. All for the price of purchase. I
    could tell you lots of stories. I didn't want bash the new integrated
    headsets to much they do look slick.

    Bobi

    "Trevor" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    BobI wrote in message ...

    Quoted message said:

    Does anybody else have this problem? Or maybe it's not a problem?

    Just today I was standing over my road bike, with a carbon fork and
    integrated headset, and checking the brakes before going off for a ride.


    I

    Quoted message said:
    Quoted message said:

    squeezed the front brake and rocked the bike fore and aft with the brake


    on

    Quoted message said:
    Quoted message said:

    and noticed, and felt, the fork move inside the head tube. The bearings


    are

    Quoted message said:
    Quoted message said:

    preloaded correctly and the brake caliper was tight on the fork. The top
    bearing seems to move inside the head tube a small amount and the fork
    steerer tube doesn't fit very tightly inside the top bearing. Is this
    normal?
    I checked my other road bike, integrated headset and carbon fork also,


    and

    Quoted message said:
    Quoted message said:

    it has the same wobble. If this situation is abnormal how do I fix it? Or


    is

    Quoted message said:

    this a feature of integrated headsets. Any opinions?


    What sort of 'feature' would that be?

    Trevor

  5. I have a bike with a Campy Record hiddenset, this was initially a big
    problem on the bike. I was using a Profile Design compression cap and could
    never get adequate compression (generally profile design stuff sucks -- this
    is not the exception).

    For months my LBS was telling me "this is the problem with integrated
    headsets, blah blah blah" in other words, they were just talking out of
    their asses (like most shops do, as most customers know nothing so the LBS
    gets high on their own BS).

    Finally I decided that the compression device might be the problem. Bought
    an FSA compressor for carbon steerers and the problem vanished without
    return. No headset adjustment has been done since, it doesn't move a bit,
    and there is 0 play in the unit. The only downside is I can't use my top cap
    (Eddy Merckx) but functionally its far superior to lessor units.

    "Trevor" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    BobI wrote in message ...

    Quoted message said:

    Does anybody else have this problem? Or maybe it's not a problem?

    Just today I was standing over my road bike, with a carbon fork and
    integrated headset, and checking the brakes before going off for a ride. I
    squeezed the front brake and rocked the bike fore and aft with the brake
    on
    and noticed, and felt, the fork move inside the head tube. The bearings
    are
    preloaded correctly and the brake caliper was tight on the fork. The top
    bearing seems to move inside the head tube a small amount and the fork
    steerer tube doesn't fit very tightly inside the top bearing. Is this
    normal?
    I checked my other road bike, integrated headset and carbon fork also, and
    it has the same wobble. If this situation is abnormal how do I fix it? Or


    is

    Quoted message said:

    this a feature of integrated headsets. Any opinions?


    What sort of 'feature' would that be?

    Trevor

    ---
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    Checked by AVG anti-virus system (http://www.grisoft.com).
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  6. I readjusted the bearings and checked everything out last night. Everything
    seems fine. Bearing play is very minimal, but is still there. The expander
    plug slips in the carbon steerer tube which limits the amount of preload you
    can put on the bearings. I tightened the plug as much as I could, but it
    still slipped. I'm thinking of attaching small strips of self adhesive
    sandpaper to the plug.

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