bearings, bicycle crank, where is the grease seal?
werwer,
It's been years since I messed with a bike but I do not recall any seals
in the crank. The wheel bearing grease is fairly viscous and probably does
not flow much. The forces involved during pedaling are not likely to fling
the grease off. You're probably ok for another 15 years. You could ask a
bike shop.
Dave M.
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