Originally Posted by
wphamilton
Yes, the same percentage increase. example: radius is 10", diameter is 20". increase radius by 1 inch, that's 10%. Diameter increases by 2 to 22", that's 10%. What's the point of all this?
Just that your quote says,
Increase the cranks by 5% and the circumference increases by 5%; but, the circumference actually increases by
twice the increase in crank length.