Originally Posted by
contango
If you're talking the lower cadence view I find it unnatural to pedal much faster than what I'd estimate is about 60-70rpm.
I find it unnatural (but wonderful) to ride a bike, when nature gave me feet to walk on. Like spinning at a high cadence, it took me a while to learn this unnatural activity; the learning curve was steep, but, in both cases, it was worth it.
