Originally Posted by
cny-bikeman
Wow, did not think my comment would start a storm. It is simply not true that a 42-11 will "spin out" - that is, be unable to be pedaled faster - at 30 mph. Even for a non-racer 120 rpm is not outlandish for a short time. Saying that one does not want to spin faster than 100rpm is not the same thing.
At my size, moving on flat ground on 42-11 @ 100rpm would require something on the order of ~700W. This is not a matter of
want. This is a matter of
can't.