• Thanks PhilDAS and Grumpy_Git.

    I changed my mind about taking the seatpost out (there’s anti-seize on there rather than grease, which will serve the same purpose I hope, and it’s a well fitting post) and decided to look at the bottom end instead by taking off the access hatch under the BB.
    There is an unused front mech cable drilling going into the BB shell so I wanted to see what was happening with that.

    I can see a small amount of dried mud, dust really, which I guess has entered through the cable exit All dry as a bone though. The drain hole is adequate so that even if some water does come in from the top it won’t be there long.

    Shall remove the seat-post from my list of small things to worry about when trying to avoid worrying about important stuff, and add the question “should I block that cable drilling”.

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