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  1. #1
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    Bottom bracket bearings getting dirty too quickly

    I have a FSA PF30 to a 24mm adapter for my Shimano Hallowtech II XT crankset. I just installed new bearings and after only two rides, one of them a bit muddy, they are full of sand again. I think is the cover the FSA has for the bearings, I don't think is a good system.

    I don't want to have to be taking the bearing out every month to clean them. You guys have any suggestions on what PF30 with a 24mm adapter to use? I'm leaning towards the Praxis Works but do you have any suggestions on how to keep the bottom bracket bearings clean?

    Thank you
    Damian

  2. #2
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    Are you getting water inside the frame? Possibly when you wash the bike?

  3. #3
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    I don't think is water getting in the frame, before even watching it fully, after only two rides, the bearing had sand mixed with the grease. Since is a new bearing, not an expensive one but still new, I took it out of the PF30 and cleaned it. Confirmed it had grease mixed with sand which makes no sense. I really think is the bearing cap not doing its job of keeping dirt out. This is the FSA PF30 to 24mm adapter I have.

    MTB M3 ADAPTER - for Alloy MegaExo Cranksets Bottom Bracket
    Damian

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