• Think I just screwed my headset cup. Cane Creek 110 EC34, bearings were stuck fast so I encouraged it out with a screwdriver and hammer (I know), as far as I can tell they should be fairly loose.

    1. Is this salvageable? Poss with some fine sandpaper on a circular disc in a drill.

    2. Why would they be stuck so fast in the first place? CC website doesn't mention special tools for fitting/removal. I'm thinking ovalised HT maybe?

    3. how should I get the bottom one out? It has no lip to hammer on from above.

  • Why would they be stuck so fast in the first place? CC website doesn't mention special tools for fitting/removal. I'm thinking ovalised HT maybe?

    Can you measure it? I have a couple of bikes with 110s and don't remember the bearings being that difficult to remove 🤔

    Is the bearing outer corroded?

  • Measure the headtube? I can and will, though the cups are installed so might not too be able to get a caliper on any rebate if there is one. Pretty sure it's 34mm nominally

    @coventry_eagle I know, which is kind of why I bought it, though I can't imagine that extends to cack handed spannering. I guess if the cups are out of tolerance that's a manufacturing fault!?

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