Now that I have been forced inside several times, I must say that your roller design is amazing. I have gotten my heart rate higher than I have seen in two years just doing progressive work on the rollers with the new resistance roller installed. At a certain point, it really comes back at you hard. If I were outside, I would downshift at that point, and that is also an option inside.

"Smooooth. The drums .... spin with such fluidity that, to paraphrase a bike-review cliché, they disappear beneath you. At 90 rpm in medium gearing, the drums let you whirl at talking pace but are small enough to make you suffer at high rotations.... we found the ride exceptionally smooth at all speeds but especially so at heavy loads with high cadence..."