Typically sensored esc’s can also run non-sensored motors.I didn't even know about the 4990..
I have been looking for power ratings on the new 5690 they put out. Haven't found it yet but my guess is similar to the 4985?
Can the G2 stuff be used without sensor? They're actually sensored now right? Not just a temp sensor?
I only ask just in case something happens to the sensor wire or bearing in the motor. A simple bearing change in a brushless motor may not be so simple or cheap anymore?