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Crank Problems

Started by monkeygunner · · Last activity · 9 posts · 333 views

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01 / Original postCrank Problemsmonkeygunner · 24 Mar 2008 02 / This pagePosts 1–9Page 1 of 1 · chronological order 03 / Latest replyPost #9monkeygunner · 24 Mar 2008

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Original section
rec.sport.unicycling
Published
24 March 2008
Last activity
24 March 2008
Original author
monkeygunner
Posts
9
Discussion status
Public discussion
Total views
333
Views / 30 days
0
Topics
CranksetsElectronic shiftingTaper and peaking

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  1. Original post
    monkeygunner
    Archived post
    #1

    Has anyone had crank problems with the nimbus hoply?(Qu-Ax 10 cranks)

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  2. jerome
    Archived post
    #2

    can u decribe the problem

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  3. monkeygunner
    Archived post
    #3

    After I have been riding and jumping for a wile, my cranks start to get
    lose and make noise. No matter how much I tighten them they still get
    lose.
    Monkeygunner

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  4. UnicycleJuggler
    Archived post
    #4

    Have you greased the axle and bolts? A little bit of car/b*cycle grease
    on each side of the axle and on the bolt thread should seal up any gaps
    and help them to stay on and in place. Another option is to put Loctite
    on the bolts instead of the grease, but still grease the axle.

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  5. monkeygunner
    Archived post
    #5

    Thanks alot!!
    Monkeygunner

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  6. feel the light
    Archived post
    #6

    Seriously, when putting a crank on a tapered hub, grease the parts, make
    sure the parts are together right, then whack it on good with a hammer.
    This will seat the parts together tightly.

    If you don't have a brass hammer, use a wood block to pound on, to
    avoid smash marks.

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  7. jerome
    Archived post
    #7

    i machined off 1.5 mm off end of hub ,first i meaured both sides using a
    vernier and one was longer than the other (the hub was actually too
    long for the crank arm ,so when you do the bolt up it doesnt clamp
    properly) or it could be your crank have been machined too deep

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  8. jerome
    Archived post
    #8

    only a rubbish sketch but left hand diagram shows hub is longer than
    crank so no matter how tight the bolt is the crank and the hub will
    never tighten up against each other ,
    the right hand diagram shows how it should look

    +-------------------------------------------------------------------+
    |Filename: crank.bmp |
    |Download: http://www.unicyclist.com/attachment/25800 |
    +-------------------------------------------------------------------+

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  9. monkeygunner
    Archived post
    #9

    Thanks alot Jerome! I think I'm getting what is wrong and hopfully when
    I have the time, eill fix it.
    Monkeygunner

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