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  • Having serviced my BB for the first time after 8,000km I discovered that it doesnt look too tidy...

    Ive cleaned it and replaced the bearings, so that should be fine.

    However, I noted that the surface of the axle had sanded down on the contact points with the bearings - do i need to worry/can I do anything against it?

    Would it make sense to drill a drain hole into the BB shell to allow water to dry/drain our would a drain hole make it even worse?

    Cheers


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  • That sort of wear is relatively normal on the spindle IME, doesn't look like it's worn it down at all, so won't have introduced any play.

  • Would it make sense to drill a drain hole into the BB shell to allow water to dry/drain our would a drain hole make it even worse?

    If it’s steel I think that’s alright.

    I had a track frame with no drainage holes. Rather than drill I took the seatpost out every few days to allow evaporation. And tipped water out after really wet rides (if you can get half a pint out, you know it’s been an adventure).

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