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saddle loosing.

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  • 19-08-2018 11:27am
    #1
    Speakerboxx
    Registered Users Posts: 1,023 ✭✭✭


    hi I changed a saddle out there recently on a bike for a friend and the friend took it out for a spin day 1 and it was perfect and did over 100km. On day 2 the friend cycled it 10km and the saddle started to slide forward and back. when I changed out the saddle at the time I tightened the bolt on the saddle as good as I could. I dont understand how it became loose after tightening it well the first time.

    Anyone have any advice or suggestions on how this happened or what can I do to prevent that happening again?


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    #2
    TheBoyConor
    Closed Accounts Posts: 3,292 ✭✭✭TheBoyConor


    If it was newly fitted was it fitted correctly?

    Vibration can loosen parts too. When a new thing is fitted it's no harm to retighten the fixings after a while.


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    #3
    CorneliusJames
    Registered Users Posts: 7 ✭CorneliusJames


    Have you tried a lock tight paste on the bolts? Or a "plumber's tape" on the bolt threads?


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    #4
    Wishbone Ash
    Registered Users Posts: 24,995 ✭✭✭✭Wishbone Ash


    Speakerboxx wrote: »
    ... I tightened the bolt on the saddle as good as I could....
    :eek::eek::eek:

    Cycling bolts usually have specific torques - over tightening them could lead to much bigger problems.

    Are the saddle rails seated correctly on the metal plate which the bolt is attached to?


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    #5
    07Lapierre
    Registered Users Posts: 8,248 ✭✭✭07Lapierre


    Were your hands greasy/oily when you changed the saddle? if they were, there could be oil/grease on the rails and until this is cleaned off, the saddle could move. (remove the saddle and clean the rails and the saddle clamp with white a cloth dipped into white spirits)


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    #6
    Speakerboxx
    Registered Users Posts: 1,023 ✭✭✭Speakerboxx


    Wishbone Ash wrote: »
    :eek::eek::eek:

    Cycling bolts usually have specific torques - over tightening them could lead to much bigger problems.

    Are the saddle rails seated correctly on the metal plate which the bolt is attached to?

    I tightened to spec torque but it loosened. it's a cheap bike anyway so I'm not worried about it and it's not carbon.


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    #7
    Canis Lupus
    Registered Users Posts: 9,893 ✭✭✭Canis Lupus


    Use some blue loctite on the bolt and see if that holds it.


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