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  1. #1
    DRUNKDRIVER Zachee's Avatar
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    Loose Headset. Cruddy Compression Ring?

    Hi so around two months ago I built up a Kilo TT from the frame up. This was my first time installing a threadless headset on a bike and I was using the Cane Creek AHeadSet. It seems though that the plastic compression ring that comes with this specific headset is not really doing its job completely because even though I have the start nut and stem tightened down quite a bit, when I hit a bump in the road sometimes I can hear a *thunk* sound coming from the top of my steerer tube as if metal is hitting alloy.

    So my first assumption is that the plastic compression ring is not doing its job and keeping the steerer tube centered in the head tube.

    Also it may be relevant that I am using a 1 1/8" stem shimmed to fit the 1" steerer tube which could also account for some looseness.

    Any insight would be appreciated, thanks.

  2. #2
    DRUNKDRIVER Zachee's Avatar
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    Anyone?

    tl:dr Headset bottoms out on bumps, not matter how much I tighten top cap. Could replacing crappy plastic compression cap with alu one fix this problem?

  3. #3
    Senior Member demoncyclist's Avatar
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    Do you loosen the stem bolts before tightening the top cap? Is the top of the stem slightly above the top of the steerer?
    DEMON

    Satanic Mechanic
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    2011 Lynskey Sportive (Shimano Ultegra 10s)
    1988 Cannondale SM400 (Suntour XC-M 7s)

  4. #4
    DRUNKDRIVER Zachee's Avatar
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    Yes.
    Yes.

    The top cap is also threading well into the star nut, the star nut is not warped or broken in anyway. I tighten it down till I can feel some resistance when turning the stem/wheel. And still when I hit bumps this happens.

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