52x18 is 33kph at 90rpm.
If you can ride all morning at that speed congratulations, but most people can't and would get fitter by working up to it.
IMO.
@miro_o started
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52x18 is 33kph at 90rpm.
If you can ride all morning at that speed congratulations, but most people can't and would get fitter by working up to it.
IMO.