Nod
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- Nod (UK)
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I've wondered how they measure courses accurately! I would have said that a bicycle wheel would be too susceptible to pressure differences changing the rolling circumference as well as the measurement of the rolling circumference usually being done with an unloaded bike which would overestimate/calculate the final distance. How do they measure round curves? Racing line or straight line and tight all the way round? Presumably they ride round the course on the left hand side of the road which could well introduce significant errors.