Electric Scooter Conversion Set, 24V 300W High Speed E-Bike Motor Set, Practical To Use for DIY Tricycles Specification: Condition: 100% brand newItem type: Electric Scooter Conversion SetMaterial: metalColor: As picture shownWeight: Approx. 3316g Motor: rated voltage 24V, rated power 300W, rated speed 2650RPM, rated current 16.5A Controller: rated voltage 24V, rated power 350W, undervoltage 20?0.5V, switch 1-4V Package List: 1 x Motor 1 x Controller 1 Pair x Throttle grip 1 x 25H146-sections chain 1 x Small flywheel 1 x Connector 1 x 55 teeth 4-hole crankset Note: 300W motor should be equipped with a 350w controller so that it will not be burned.