dirty crank bearing axle things, what do i do?

okay so im taking my tire off and right behind the pedals on the axle it
is all dirty are there anyways i should clean this or what should I do
to make it like clean again or what?
thanks to anyone who responds


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habbywall

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Just wipe it off with a dry rag or a paper towel.

Don't use anything like WD-40 to clean it off. WD-40 can actually wash
away grease that is inside the bearing and you don't want to do that.


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