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  • These last two are beauts.
    Whats going on with the chainset on the Basso?

  • Whats going on with the chainset on the Basso?

    Rotor RS4

    They are fucking weird, using a cam to change the effective gear around the pedalling circle in a way which is asymmetric between downstroke and upstroke, so that the phase angle between the cranks varies ±12° from 180°

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