The second half of tonight's suffer-fest is actually on Zwift, in Watopia. Lama did another video on the "trainer difficulty" slider setting where he rode up Watopia Wall on the Hilly Loop twice: once at slider zero and again at slider max. He did both at as constant a power as possible to show that you get the same speed and time. The slider just tells your trainer what the gradient is, which affects shifting and realism *but not power*. I repeated that test and found it so. Max slider requires more shifting to account for the more clearly perceived gradient changes, and is thus more realistic. Your power is still just your power. After doubling the Wall, I went ahead and finished the full loop, and event sprinted the sprint. It felt good, I posted good times and I bumped my VO2 Max up a notch! Good times!