• Not a project, just a question. Earlier I was going up a really steep incline (very slowly) and heard a single big clank from somewhere in my drivetrain. Ever since on the exact same point of the rotation of the cranks, every 2nd time round there's been a small click that I can hear and feel. Any ideas what it could be and how to solve it? Don't know if it's likely to be relevant but they're SRAM Omnium cranks with a newish (I'd guess about 500 milesish) GXP bottom bracket.

  • every 2nd time round

    Sounds like a chain issue if the frequency is about half the cadence. Inspect for displaced pins or cracked plates.

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