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Thread: Crank clunk.

  1. #1
    mtbr member
    Reputation: chuckeieio's Avatar
    Join Date
    Jun 2013

    Crank clunk.

    Noticed the last 2 rides that I've been getting a clunk or loud snap noise if I'm putting decent pressure down on the pedals while riding.
    Worked it down to this... It klunks once per side.
    eg. If I put pedal at 6:00 and put my weight on it "klunk" then switch and do the same with the other it will clunk again.

    It's a new bike that I've been riding daily for about 6 weeks now. (25k per ride 50/50 pavement/offroad.
    Just curious what everyone thinks might be causing this.

  2. #2
    mtbr member
    Reputation: theMeat's Avatar
    Join Date
    Jan 2010
    What bike and what type of bb?
    The first thing you should check is the bolt that tightens it to the bb. Next chain rings.
    Round and round we go

  3. #3
    Reputation: ElwoodT's Avatar
    Join Date
    Mar 2011
    If I were a betting man and the odds were even, I'd bet a loose BB. (free service at the LBS?)

  4. #4
    mtbr member
    Reputation: chuckeieio's Avatar
    Join Date
    Jun 2013
    The bike is a 2013 Giant Talon 0
    Crankset SRAM S800, 22/33/44
    Bottom Bracket SRAM Powerspline

    Now that Elwood mentions it, I think I'll take it in this week before I make it worse. I keep forgetting things are still covered. I've been riding used bikes all my life lol.

  5. #5
    mtbr member
    Join Date
    Jun 2009
    don't ride with loose cranks or bb... you could cause damage.

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