4 inch BLDC hub motor wheelModel: T-HM-004Rated voltage: DC 24/36/48Diameter with tire: 100mmRated power (W): 200WRated speed (km / h): 25km/hRated efficiency (%):> = 86Braking method: electric brakeWeight (kg): 1.5Tire: solid rubber tireNoise (db): <50Waterproof rating: IP54Sensor: with hall sensorMax load: 100kg