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  1. #1
    Senior Member
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    Jan 2003
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    Cleaning the bottom bracket?

    When I pedal I have a faint (but severely annoying) grinding sound coming from the bottom bracket. I hypothesize that a bit of dirt has gotten into or around the bottom bracket and is making the noise. What's the best way of cleaning around the bottom bracket to remove dirt of this sort??
    2002 Trek 4500
    Rockshox Psylo SL, 2003 Shimano WH-M540 wheelset

  2. #2
    ÖöÖöÖöÖöÖö Dannihilator's Avatar
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    Oct 2002
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    Annandale, NJ.
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    2014 Surly Steamroller, 1977 Puch Pathfinder
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    First off, it's not the bottom braket.

    Your chain/ cogs/chainrings need to be cleaned.
    Strike like an eagle and sacrifice the dove.
    Words and Stuff.

  3. #3
    Senior Member
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    Wow. I was planning on cleaning the chain/cogrings after today's ride. I usually clean them after every ride, but they are a bit dirty now that I think about it. Thanks for the knowledge!!
    2002 Trek 4500
    Rockshox Psylo SL, 2003 Shimano WH-M540 wheelset

  4. #4
    Senior Member
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    Just wanted to say thanks again........it was exactly what you said. Cleaned the bike up and abracadabra.....no more grinding noise.
    2002 Trek 4500
    Rockshox Psylo SL, 2003 Shimano WH-M540 wheelset

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