Originally Posted by
50PlusCycling
Rollers work well. They allow you to instantly spot flat spots in your pedal stroke. Keirin racers here in Japan train on rollers, and can spin at 200 rpm.
I have a 40+ year old set of Kreitler rollers I still ride. I can hit 45-46mph with a 50x11 at which point I start bouncing so bad I will end up riding off the rollers....I know from a gear chart that is ~125rpm. I have seen the good guys hit like 200 and it is amazing how smooth they are.