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  1. #1
    J E R S E Y S B E S T Jerseysbest's Avatar
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    How come the crank creaks when it cold out?

    It was below freezing and my bike was outside all night. I get on to ride about 3 miles and it creaks the whole way. It warmed up later (about 4 hours) and on the way home the creak went away?

    Should I check the bottem bracket? Its an older fuji road bike, probably like 20 yrs old, that didn't get riden much till I got it 2 months ago. There is some play when I move the crank arm to the side, but not much. Do I tighten something?

    Thanks for any help.

  2. #2
    Senior Member
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    If both crank arms move when you shake one of them, then the BB is loose. If only one arm moves then that arm is loose. I dunno why it creaks when its cold but mine does that too and nothing is loose.
    Last edited by CBolt; 02-20-06 at 08:21 PM.

  3. #3
    Curmudgeon Wil Davis's Avatar
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    Check the cranks - I wonder if they've ever been re-tightened in the past 20 years.

    - Wil
    "" - Marcel Marceau

  4. #4
    Senior Member
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    Probably because when metal gets cold, holes in it expands while solid pieces contract. Hence, the interface's play increases.

  5. #5
    Sometimes knows stuff. rmfnla's Avatar
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    Quote Originally Posted by ivan_yulaev
    Probably because when metal gets cold, holes in it expands while solid pieces contract. Hence, the interface's play increases.
    Exactly. Tighten the bolts.
    Today, I believe my jurisdiction ends here...

  6. #6
    ばい菌
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    Heh. Same thing happens to me. Mine were just tightened recently too.
    At least on my fixie I don't have to worry about my shift cables freezing and being stuck in a rediculous gear.
    1 + 1 = 3 for 1 sufficiently large.

  7. #7
    Death fork? Naaaah!! top506's Avatar
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    Quote Originally Posted by CBolt
    I dunno why it creaks when its cold but mine does that too and nothing is loose.
    So does my left knee......

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