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  1. #1
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    chris king hub/drivetrain help. please!!!!

    i have chris king iso hubs with xt stuff. the hubs recently got to their "break in point" so i adjusted them from having side to side play to being perfect (id say). i also threw on a new chain as my old one was a lil past the .75 mark on the gauge. but im nice to my stuff and know how to work on it so the cassette and chainrings arent too worn. heres the dilemma: in a majority of the gears when i freewheel/pedal backwards the chain becomes sluggish and there becomes extra slack in the chain and it (in most gears) eventually rides of the cassette, going to a larger gear. it also shifts a bit clunkier in the rear.

    heres what ive done to remedy it:
    -made sure the der. hanger was straight
    -tried to use the old chain to see if it was the new chain meshing wrong- it still did it
    -cleaned the cassette and freehub body
    - overhauled the jockey wheels
    - did a minor overhaul on the king hubs with ringdrive lube etc (but theyre only 4 months old and have been ridden with care over that period)
    - tried to put the hub at the same preload it was at before i adjusted the hub (it was a tad loose) when it was not doing this- it did not fix the problem.
    - cleaned the factory lube off my new chain in case its viscosity was causing the problem- still nothing.
    - gave up after a day of screwing around and went to a mechanic at a good local shop- i think he knew less than me (ive been working in a shop for 3-4 years) as he said the drag in the hub was causing it, yet he says hes never worked on a king hub- they have a bit more drag than other wheels, but that does not limit them from spinning well etc. he had no suggestions besides bring it back for the head mechanic monday (i think i know about as much as him)

    DO YOU HAVE ANY REMEDIES???? i think im a good mechanic and i have had to admit defeat. the only thing i have not tried is new c-rings/cassette but i doubt its that- it shifts well (albeit a tad clunky- but i like perfection). Help me please!!! im going to ask everyone at punk bike tomorrow but i doubt well be able to figure out a drunk solution.

    thanks in advance, and if i missed an old post please share it with me.


    ps. i have posted this in a few sections because i need to find help from the most diverse group of cyclist out there

  2. #2
    ÖöÖöÖöÖöÖö Dannihilator's Avatar
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    You need a new cassette/chainrings.
    Quote Originally Posted by scrodzilla
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  3. #3
    M_S
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    So you get chain slack when backpedaling? First of all, is it a big problem, like to the point that you're dropping your chain?

    You said you overhauled the jokey wheels...that was my first thought. The second is that the chain might be too long. The third possibility is the freehub itself. Kings are known to be a bit draggy, but I've never owned or worked on one so I can't help you there.

  4. #4
    Frozen in carbonite Grimlock's Avatar
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    If your chain slackens up top as you're coasting, it's most likely a freehub issue. It is supposed to ratchet backward but instead gathers up on itself because the wheel is rotating faster than the freehub can take. Though I'm not lucky enough to have a set of CK hubs, I'm sure there's some way to loosen the tension of the freehub itself.
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  5. #5
    Senior Member victim's Avatar
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    Did you put too much ring lube? I got a set used and they worked like crap. Pulled apart, applied the small amount of ring lube recommended and now they freewheel forever. As long as my I9s at least.

  6. #6
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    put a new cassette/chainrings
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  7. #7
    Map maker cbchess's Avatar
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    sounds like a call to chris king is in order - they have helped me out in the past. You might have too much lube in the freewheel.

  8. #8
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    its not the hub, im about 95% sure. they are pretty new and spin forever and if it were any looser there would be too much side-to-side play. it worked well somehow yesterday, but im not ready to say its good.

    ill throw on a new small and middle chainring and i guess ill go buy a new cassette as thats the only thing i have not tried yet.

  9. #9
    Fool O' crap sscyco's Avatar
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    How cold it it when this happens - CK suggests using an oil (30w if I remember correctly) instead of their lube for low temps. This is for the ring mechanism. I have Kings about 10 years old now - I remember having a similar issue many years ago, but remedied it by changing lube. (note - the last 5 years my hubs have been on my road bike, and ridden in above 40F).

  10. #10
    Te mortuo heres tibi sim? scrublover's Avatar
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    Had the same issue early on with my King rear. If you have them overly tight, they'll do that. Loosen them up a tough. Not a problem since, and it's nearing 7 years old, and has been on many frames, with a couple different axle options swapped in and out.
    I believe the clouds in my coffee more than the weatherman on t.v.

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