Originally Posted by
Seattle Forrest
I don't know if the Edge Touring works with sensors (HRM, SPD, CAD) or not.
The Touring Plus supports a HRM (and also has a barometer/altimeter).
The Touring models are intended to be navigation units. They have limited support for "performance/training" features. (If you want those, you have to go to the 810.)
(I didn't find that the Touring to work very well.)