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damaged chainset changing pedals?

  • 16-06-2016 8:32pm
    #1
    gmk77
    Registered Users, Registered Users 2 Posts: 14 ✭


    hi, i changed my pedals recently and had a bit of a job getting the old ones off (used a hammer against the pedal spanner to loosen). now the new pedals are hard to thread and they're not sitting fully straight in the crank arm. is it safe to assume that i have damaged the cranks and need to buy a new chainset or am i missing something?


Comments

  • #2
    omri
    Registered Users, Registered Users 2 Posts: 1,699 ✭✭✭omri


    gmk77 wrote: »
    hi, i changed my pedals recently and had a bit of a job getting the old ones off (used a hammer against the pedal spanner to loosen). now the new pedals are hard to thread and they're not sitting fully straight in the crank arm. is it safe to assume that i have damaged the cranks and need to buy a new chainset or am i missing something?

    You probably damaged the threads in the crank arms by not threading the pedals correctly. Might try in LBS to have the re-threaded but if this will salvage the cranksets I am not sure. You always should thread in pedals by hand (if not sure if they went in correctly - they usually will go in pretty much all the way without any extra force, and then tighten them with the wrench).


  • #3
    StevieGriff
    Registered Users, Registered Users 2 Posts: 859 ✭✭✭StevieGriff


    Sounds like ya made sh*t of the threads. Can be retreaded sometimes, can also have a the threads on the crankarm drilled out and a coil inserted. Talk to a decent LBS and they should be able to sort it for ya.


  • #4
    Brian?
    Moderators, Recreation & Hobbies Moderators Posts: 21,900 Mod ✭✭✭✭Brian?


    Threads can always be fixed with a helicoil. You simply drill out the old damaged thread, tap the crank arm, loctite and screw in the helicoil.

    It's probably not worth buying the helicoil kit yourself. Get a shop to do it.

    they/them/theirs


    And so on, and so on …. - Slavoj Žižek




  • #5
    magicbastarder
    Moderators, Category Moderators, Arts Moderators, Sports Moderators Posts: 50,891 CMod ✭✭✭✭magicbastarder


    one question would be how easily the new pedals went in - and if they come out easily. if you can get them out, is there visible damage to the threads?


  • #6
    gmk77
    Registered Users, Registered Users 2 Posts: 14 ✭gmk77


    went to the bike shop today and they confirmed that i had damaged the threads. they were able to re-thread but still damaged so not quite as good as new. oh well it will do for now. lesson learnt i suppose.


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