Originally Posted by
kickstart
I can't even conceive being able to spin at 130-150 rpm. My Raleigh sports model is 51-69-92 GI, and even on a downhill I spin out at approximately 27 mph which is around 100 rpm. I have been up 30+ mph with that gearing, but I don't feel in control at that cadence.
I've timed myself at 180 rpm. The trick is for your butt not to bounce. You really should teach your legs with a low-geared fixed gear. 'Tis the season.