Originally Posted by genejockey

I used to look at the Estimated Power and think, "It's so spiky! It can't possibly be real." Then I got a Smart Trainer with built in power meter and damned if the power trace isn't all spiky. The Scientist in my says I should get a power meter so I can see what the power is measured more directly than passing through the whole drivetrain, the wheel, the tire/roller interface, and whatever internals in the trainer before power is measured. But that jut brings back the question of how to deal with 8 bikes.