Vastly improve the thermal management and power handling of hub motors with ~200% better overall thermal dissipation allowing much higher power levels or endurance to be achieved. Much better Thermal Dissipation & Performance in combination with Ferrofluid. Thermal Paste is included.
The freewheel is screwed onto the motor. There is a lever with 8 gears required, the rear derailleur model is usually not so important. There is a washer needed, as the width of the shaft is exceeded. The removal of the freewheel works only with special tool, since the sprocket set has a freewheel.