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Thread: BB Help

  1. #1
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    BB Help

    I have a 2012 Diamondback Overdrive 29er:
    Diamondback Bicycles - 2012 Overdrive


    I have been riding it for a few months now. Last time out it sounded like the BB was starting to squeal. My question is, how do I know what BB to replace it with? Is there a certain type I need to use? I looked up the specs on the bike and all it said for BB was "Sealed Cartridge"

    I am a newb at all this so any help would be great!

    Thanks!

  2. #2
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    Reputation: mitzikatzi's Avatar
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    Bottom Bracket Size Database

    Most likely you want a square taper bottom bracket.
    Remove yours and have a look. You also need to measure it so you can buy on the correct length.

    You need special tools to do this job. It may be cheaper to get a LBS to do the job. Sealed bottom brackets usually last very well. It may well be something else making the noise.
    Duct tape iz like teh Force. It has a Lite side and a Dark side and it holdz the Universe together.

  3. #3
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    BB Help

    Thanks man. I am pretty sure it's the bb. It has been creaking and has now started squeaking. I just ordered a shimano un55 69x113 square taper. Getting the tools to do it, I would rather do it myself and learn instead of leaving the bike at the lbs for 10+ days and saving a buck or two.

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