Originally Posted by
Gluteus
^ I have seen the opposite. Power estimation by Trainerroad (I tried a few times) is higher than measured power (by Powertap), using a Cyclops fluid trainer.
I can believe that. That was my experience with the kurt kinetic unless I tightened the resistance unit screw so much that I thought the tire was going to burst.
The inside ride rollers on trainerroad are calibrated for a 700x23 tire and a bike+rider weight of 180lbs. I am way over that.