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Creaking Cranks

  • 27-05-2013 10:47am
    #1
    trek climber
    Registered Users, Registered Users 2 Posts: 555 ✭✭✭


    Apologies for the cheesy title, as the title suggest my carbon racing bike as developed this problem in the last number of weeks. Cant think of anything that might be contributing to it other that I changed to my summer wheels about a month ago. The creaking "noise" only occurs when I am standing on the pedals either for climbing or accelerating, I will certainly drop it down to LBS but was just looking for any opinions as to what it might be.....


Comments

  • #2
    Tenzor07
    Registered Users, Registered Users 2 Posts: 9,175 ✭✭✭Tenzor07


    Rear hub/wheel bearings..


  • #3
    Squidgy Black
    Registered Users, Registered Users 2 Posts: 21,740 ✭✭✭✭Squidgy Black


    Try sticking the other set of wheels back on it for a spin or two, and then you'll know if it's the wheels or not.


  • #4
    Fender76
    Registered Users, Registered Users 2 Posts: 631 ✭✭✭Fender76


    It might be something as simple as greasing the points where the skewer meets the dropout... I had the same issue and was almost on my way to LBS when it was suggested to me to try it and it worked.... Worth a shot..!


  • #5
    BailMeOut
    Registered Users, Registered Users 2 Posts: 3,044 ✭✭✭BailMeOut


    my carbon bike had identical issue and it drove me nuts. Happened only on right crank when I put a lot of pressure on it and turned out to be the bottom bracket BB30 bearings which were replaced with new ones.


  • #6
    07Lapierre
    Registered Users, Registered Users 2 Posts: 8,370 ✭✭✭07Lapierre


    Pedals a bit loose?


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  • #7
    happytramp
    Registered Users, Registered Users 2 Posts: 2,625 ✭✭✭happytramp


    Before dropping it into the shop...

    Grease/Tighten wheel quick release
    Tighten pedals
    Tighten crank bolts
    Tighten chainring bolts

    They're the usual offenders.


  • #8
    trek climber
    Registered Users, Registered Users 2 Posts: 555 ✭✭✭trek climber


    07Lapierre wrote: »
    Pedals a bit loose?

    Interesting...I only replaced the pedals earlier this year as the bearings were worn in the old ones, would have thought that I had tightened them properly but will check this out later.


  • #9
    ford2600
    Closed Accounts Posts: 4,457 ✭✭✭ford2600


    trek climber wrote: »
    Interesting...I only replaced the pedals earlier this year as the bearings were worn in the old ones, would have thought that I had tightened them properly but will check this out later.



    While your at it, grease/copper grease threads before putting back on


  • #10
    07Lapierre
    Registered Users, Registered Users 2 Posts: 8,370 ✭✭✭07Lapierre


    trek climber wrote: »
    Interesting...I only replaced the pedals earlier this year as the bearings were worn in the old ones, would have thought that I had tightened them properly but will check this out later.

    Did you grease the pedals before thightening them? if not, getting them off could be fun!


  • #11
    trek climber
    Registered Users, Registered Users 2 Posts: 555 ✭✭✭trek climber


    07Lapierre wrote: »
    Did you grease the pedals before thightening them? if not, getting them off could be fun!

    Thankfully I did..I learnt that lesson the hard way before ..


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  • #12
    07Lapierre
    Registered Users, Registered Users 2 Posts: 8,370 ✭✭✭07Lapierre


    Pedals have to be tight....very tight or they creak just as u describe(when climbing, sprinting etc.)


  • #13
    MichealD
    Registered Users, Registered Users 2 Posts: 394 ✭✭MichealD


    Spent weeks trying to discover where the creaking noise in my cranks was coming from. Changed the cleats on my shoes and the noise diasppeared...


  • #14
    Squidgy Black
    Registered Users, Registered Users 2 Posts: 21,740 ✭✭✭✭Squidgy Black


    MichealD wrote: »
    Spent weeks trying to discover where the creaking noise in my cranks was coming from. Changed the cleats on my shoes and the noise diasppeared...

    It was a ghost cleat.


  • #15
    trek climber
    Registered Users, Registered Users 2 Posts: 555 ✭✭✭trek climber


    MichealD wrote: »
    Spent weeks trying to discover where the creaking noise in my cranks was coming from. Changed the cleats on my shoes and the noise diasppeared...

    Will check this also later, I replaced the cleats with the pedals a number of months ago and was sure that they were properly tighted but........


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