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  1. #1
    Join Date
    Nov 2002
    Location
    Eagle River Alaska
    Posts
    10,964

    Help my crankset keeps coming loose

    So I installed my new cranks but after about 2 hours of riding they both keep coming loose so i retighten the screws but that isn't that effective and I don't want to strip the threads on the bottom bracket, WWMD?
    Its not that I suck at spelling, its that I just don't care

  2. #2
    Join Date
    Jan 2004
    Location
    Boulder
    Posts
    167
    Bring it to your bikeshop and have them install it the right way.
    I was amazed at how light and fluffy the powdery snow was and at how the challenge never ended.
    -Charles Kelly, CT

  3. #3
    Join Date
    Oct 2003
    Location
    Bellingham
    Posts
    1,234

    Re: Help my crankset keeps coming loose

    [QUOTE]Originally posted by ak_powder_monkey
    So I installed my new cranks but after about 2 hours of riding they both keep coming loose so i retighten the screws but that isn't that effective and I don't want to strip the threads on the bottom bracket, WWMD? [/QUOTE

    did you use loc-tite or grease or something to lube the bolts? Is your bottom bracket properly installed? things to check
    smoke crack and worship satan

  4. #4
    Join Date
    Feb 2004
    Location
    Tawho Citti
    Posts
    1,531
    What kind of crank/bb are you using? If they keep coming loose after you've tightened them, sounds like one or both is fucked. Either that or you have crap components...I had a similar problem with an RaceFace Prodigy ISIS bb, switched to a Truvativ Gigapipe Team DH and not a peep

    As said before, use grease on the spindles and the bolts, and don't be afraid to crank down on the bolts.

  5. #5
    Join Date
    Feb 2004
    Location
    Ut
    Posts
    1,563
    AKPM: Do you have an isis BB/ crank setup or an old square taper? If you have the square taper you need to buy or my preference acquire a crank puller. Blue park one are nice. Use this to pull the crank arms completely off and retighten with an really long allen wrench or a torque wrench. If you use a torque wrench be sure not to over tighten it.
    good luck brah

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