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Torker DX problem--crank slop

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01 / Original postTorker DX problem--crank sloppkittle · 17 Aug 2007 02 / This pagePosts 1–14Page 1 of 1 · chronological order 03 / Latest replyPost #14pkittle · 19 Aug 2007

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rec.sport.unicycling
Published
17 August 2007
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19 August 2007
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pkittle
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  1. Original post
    pkittle
    Archived post
    #1

    Yesterday, my son was riding his DX24 for the first time in a couple
    weeks; the last time it had been ridden was by my buddy, who's
    considerably heavier than my son, on what I'd call a black diamond
    trail. Anyway, my son said noticed there was a "catch" in the cranks--a
    slight sense of movement. So I rode it and felt the same thing, which
    is hard to describe, but feels almost like something slips every
    half-revolution or so when putting power into the cranks. So, when
    first getting going, or when hitting the brakes, it's more noticeable
    than when just cruising along.

    Here's what I've done so far, without fixing the problem:

    removed wheel from frame

    removed cranks

    cleaned and lubed splines and cranks

    replaced wheel bearings with new ones

    removed, lubed, and tightened pedal spindles

    put everything back together

    As I said, this hasn't fixed the problem. Any ideas about what it might
    be? It's nothing that can't be lived with, but it is annoying.

    --
    pkittle

    *==========================
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    "The Revolution is just a t-shirt away."
    --Billy Bragg
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  2. Brian O.
    Archived post
    #2

    Make sure the pinch bolt is sufficiently tight.

    --
    Brian O.

    *'ProjectUNI' (http://www.otherworldsociety.org/projectuni) - *The First
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  3. Joe2005
    Archived post
    #3

    Hub keyway.

    --
    Joe2005

    nobody knows what happened to that boy after that.-Nutcracker

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    dinosaurs. -ivan
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  4. Chexjc
    Archived post
    #4
    Brian O. said:

    Make sure the pinch bolt is sufficiently tight.

    This was the diagnosis to the sound from my DX24.

    --
    Chexjc

    www.myspace.com/thelostguitarist
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    Brian O. said:


    brendan said:


    when i flex both arms one looks puny next to the other. Mind you it was
    that way after years of badminton...

    And maybe playing a little too much with the shuttlecock as well?
    Hmm? 😉


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  5. torkerdx
    Archived post
    #5

    grab both cranks and rock it back and forth. if you feel the slip then
    it is probably the hub. ( i am thinking of what the 04kh hubs do, and
    you fix it by taking the hub bolt and running it all the way in with
    out the cranks on then take it out) not sure if that would work for
    that though

    --
    torkerdx

    gordito8me said:

    it's like running across the highway at rush hour. Dangerous, stupid,
    but not really that fun.

    Unicaw89 said:

    Koxx rapes Torker hard!

    skianduniaddict said:

    never give 4 teenagers a camera... they go crazy

    johnfoss said:

    Yes, being old makes you stupid.


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  6. onelesscar
    Archived post
    #6

    Yeah, it's the hub's keyway, and when it gets loose it's referred to as
    keyway slop. This same thing happened to a friend of mine's DX. Still
    rideable, and he said after awhile he didn't even notice it anymore.

    --
    onelesscar

    Catching the coker fever.
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  7. Jerrick
    Archived post
    #7

    After a year and some months of riding my DX, the right crank comes
    loose now. The pinchbolt on that side is also stripped, so I just had
    to tighten the crankbolt after every 5-10 rides.

    --
    Jerrick

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  8. Det-riot
    Archived post
    #8

    this happened to my learner uni. the problem was i had cracked where
    the hub connects to the flange, i doubt that happened to oyu DX though.

    --
    Det-riot

    Ducttape said:

    sounds like he toook a feild trip to jail.... DON'T DROP THE SOAP
    DUDE!!!

    KOXX-ONE* DOES NOT* SUCK!!!!
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  9. forrestunifreak
    Archived post
    #9

    It might be something simple, like not having one of the crank bolts
    tight enough, or not having the bearing holders tight enough.

    If you can make any of those wiggle by pushing it back and forth with
    your hands, it's not tight enough.

    --
    forrestunifreak

    I will, because I can.
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    christ*

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  10. pkittle
    Archived post
    #10

    Thanks for the feedback. It's not the crank bolts, pinch bolts, or
    bearing holders, as these are all tight. I can't wiggle anything with
    my hands--it's all solid. It's only detectable when riding.

    So I'm thinking it may be this keyway issue. Is there anything that can
    be done about it? Can it be unslopped?

    --
    pkittle

    *==========================
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    "The Revolution is just a t-shirt away."
    --Billy Bragg
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  11. brendon557
    Archived post
    #11

    what you shuld do is have your son hold it up in the air and have him
    spin the cranks and you shuld lay under it and see if you can see what
    the problems is and see if you can fix them

    --
    brendon557

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  12. onelesscar
    Archived post
    #12
    pkittle said:

    So I'm thinking it may be this keyway issue. Is there anything that can
    be done about it? Can it be unslopped?

    Well, I think it was JC who went to a lot of trouble taking apart his
    Profiles to fix the keyway slop (and documented it in the gallery) but
    decided it wasn't worth the trouble I think.

    --
    onelesscar

    Catching the coker fever.
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  13. skrobo
    Archived post
    #13

    eh, i called torker and talked to them about it, they wouldn't cover
    mine because it was "rider abuse", but it definitely sounds like keyway
    slop, i tried everything to make mine go away... there is a way to
    press the axle out and replace the keyway, but what direction and
    how...

    to tell if its keyway slop, hold the tire firmly on the ground so that
    it can't spin, and see if you can 1) see the other crank moving 2) see
    if you can make the "click" go back with the opposite crank.

    --
    skrobo

    Quoted message said:

    <> Unicycle For Christ <><


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    ____________________________________________
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  14. pkittle
    Archived post
    #14
    onelesscar said:

    Well, I think it was JC who went to a lot of trouble taking apart his
    Profiles to fix the keyway slop (and documented it in the gallery) but
    decided it wasn't worth the trouble I think.

    JC? Hmm ... Julius Caesar? Jesus Christ? John Childs? Probably the
    latter, unless I missed the parable of the keyway slop ...

    Thanks again for the tips.

    --
    pkittle

    *==========================
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    "The Revolution is just a t-shirt away."
    --Billy Bragg
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