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  • Are there any decent cup and cone bottom brackets around? Have used UN55s for a while now, but on my commuter bike they only seem to last around 6 months before becoming unbearably creaky. I thought maybe the larger ball bearings in a cup and cone BB would fare slightly better.

  • creaky

    Which bit of a UN55 creaks?

    Is your shell straight (coaxial threads, faces orthogonal to the axis)?

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