Increase torque, max rpm, durability & thermal capacity over similar motors with the qs165 v2 35h. This HALL SENSOR version of the motor is compatible with any aftermarket controller which utilizes hall sensors.  Key Features  Imbedded Rotor Magnets (no more broken magnets) Higher safe peak RPM  Thicker Phase Wires & Windings (More efficient) Greater Thermal Capacity (less overheating) Higher grade magnets over OEM Higher Torque per amp Replaceable Hall Sensor Board (it's repairable!) Motor Specifications Weight: 19.8 lbs Diameter: 178mm  Length: 130mm (including mounts/not including output shaft) Rated RPM: 5000 RPM with Flux: 7500+ (unloaded) Rated Power: 5kW continuous E&C Findings: 22kW bursts