Originally Posted by
tadawdy
The Comp is also wired, as I now realize. Although the DT is on the Pro, and is probably a little better as you noted.
I guess the Comp hub also doesn't use strain gauges...something about calculating based on torque. I'm not up to date on power meters, obviously.
Torque is measured via a strain gauge. I'm pretty sure the measurement guts are identical across the line.