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front wheel dished

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  • 02-04-2014 7:06pm
    #1
    pikefisher
    Registered Users Posts: 45 ✭


    as title states front wheel of my bike is dished to one side by a few mm. i am also having issues with the bike shaking on descents at relatively low speeds 36 -38 kph could the two be related


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    #2
    TonyStark
    Registered Users Posts: 851 ✭✭✭TonyStark


    pikefisher wrote: »
    as title states front wheel of my bike is dished to one side by a few mm. i am also having issues with the bike shaking on descents at relatively low speeds 36 -38 kph could the two be related

    Got all your spokes?


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    #3
    pikefisher
    Registered Users Posts: 45 ✭pikefisher


    ya


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    #4
    Cee-Jay-Cee
    Registered Users Posts: 12,235 ✭✭✭✭Cee-Jay-Cee


    If as you say the wheel is dished then chances are it's not a 'uniform' dish and so your going to get wobble at speed.

    Sort out the 'dish' problem and I'd say your speed wobble will disappear.


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    #5
    pikefisher
    Registered Users Posts: 45 ✭pikefisher


    thanks cj but the rim seems to be totally off center with the axle . i have a bigger gap on one side between the fork and wheel, when i reverse the wheel in the forks the gap moves to the other side, the wheel is running quite straight just seems to have an incorrect dish .


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    #6
    Lawr
    Closed Accounts Posts: 157 ✭✭Lawr


    pikefisher wrote: »
    thanks cj but the rim seems to be totally off center with the axle . i have a bigger gap on one side between the fork and wheel, when i reverse the wheel in the forks the gap moves to the other side, the wheel is running quite straight just seems to have an incorrect dish .

    It sounds as if it would be something you could correct by loosening the spokes on the side closest to tbe fork blades and tightenine on the other side, pulling the rim into centre. I would loosen all the spokes until the threads become visible. If using a spoke wrench, clockwise is loosening; counter-clockwise is tightening. Once all the spokes are loose, tighten each spoke one full turn. If you start by the valve, it's easier to keep track. Once the spokes begin toget tight, you can begin to make decisions about whether one side or another needs a quarter or half or full turn more or less than the other in order to center the wheel. The process is slow, and it is easy to get confused and make mistakes--after hours of work, more than once, I had to start over--but patience and persistence pays off. I've trued two wheels in an evening, to give you an idea of the time it takes.


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    #7
    GoTilUBlow
    Registered Users Posts: 76 ✭✭GoTilUBlow


    You should bring your bike to your local bike shop and get it sorted by a professional.


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