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  • too spinny on any decline.

    It is a fixed wheel drivetrain after all, I'm on 45/18, and that was just about spinny enough on the descent in Surreys (66GI).

    Stick to the 17t you originally selected, 1t is quite a big jump on the rear.

  • It is a fixed wheel drivetrain after all, I'm on 45/18, and that was just about spinny enough on the descent in Surreys (66GI)

    Are you touching the brake(s) on the descents and do you know what sort of top speeds you're hitting?

  • I can't recall but have a feeling it's around 25mph judging by the speed sign I pass before the descent, I feather the brake mostly to slow me down enough to resist the pedals a bit.

    Cadence are personal, generally aim for 90rpm would be a good start.

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