Originally Posted by WhyFi

I feel absolutely comfortable spinning in those regions, but for whatever reason, it just puts me closer to the redline; I think at some point I'm just spending too much energy keeping my legs from flying out of orbit.



Interesting. Have you tried with Slope mode? I've never experienced it but, at the risk of sounding like a trainer retrogrouch, the ERG relationship of power, torque and cadence just seems at odds with on-road physics. It seems... unnatural to me.

Do you have a decent fan? I sweat like mad, but a box fan in a 70° room is okay (no shirt, either). Of course the room is a few degrees warmer by the time I'm done.