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New wheel imbalance.

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  • 01-10-2012 6:39pm
    #1
    The lips
    Registered Users Posts: 472 ✭✭


    Hi guys,
    I went pick up a new mountain bike last week that I had ordered on the cycle to work scheme.
    When inspecting the bike I found a few little flaws that are to be fixed up.

    One of them is with the back wheel.

    I lifted the rear of the frame of the ground and gave the pedals a turn with my hand to let the rear freewheel. The rear of the bike seemed to judder like the wheel was imbalanced.

    The wheel does not look buckled.

    Surely it should run smooth.

    Your thoughts?


Comments

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    #2
    Captain Havoc
    Moderators, Sports Moderators, Regional South East Moderators Posts: 11,391 Mod ✭✭✭✭Captain Havoc


    Broken axel

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    Walking Tours of Kilkenny in English, French or German.



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    #3
    Raymzor
    Registered Users Posts: 343 ✭✭Raymzor


    likely to be rubbing on the brakes especially if it has disk brakes


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    #4
    The lips
    Registered Users Posts: 472 ✭✭The lips


    Brakes seem to be ok. Shop assistant seems to think its normal. I thought I should seek a second opinion.

    Broken axle? I will take off the wheel and turn the axle by hand tomorrow.


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    #5
    dquirke1
    Registered Users Posts: 202 ✭✭dquirke1


    Are you sure it isn't just the wheel reflector? If theres only one, it'll unbalance the wheel when you hold it off the ground but you wont notice it at all once your cycling.

    If its bad enough that you do feel it on the road, I'd say theres definatly something wrong and would be bringing it back to the shop ASAP.


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    #6
    Al Wright
    Registered Users Posts: 167 ✭✭Al Wright


    This is normal enough. There is always a normal imbalance in bicycle wheels, factors such as valve post etc. It is very noticable when you lift back wheel off ground and spin at speed, especially on a sturddy wheel such as on a mountain bike. Even the wheel on my road bike behaves like this. It it imperceptible when cycling.
    So no worries..


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