There are three versions of Cycle Analyst Available:
Cycle Analyst v 2.3 Stand alone with Shunt
Recomended if you are only interested in reading statistical data like speed, distance, Amps, power used, etc.
Cycle Analyst v 3.0 Stand Alone with Shunt
Recomended if you would like the above plus control the speed and power of your Ebike
Cycle Analyst v 3.0 Torque Kit
Recomended if you would like the above as well as add a true torque sencing pedal Assist to your Ebike