eletric bicycle motor: 1Type :brushless permanent hub motor, 2 Rated volts and power:36v/48v/180w-500w, 3 Use:electric bicycle,electric tricycle ,electric scooter and so on, 4 Assemed with rim, 5 Safer collocation with drum brake, 6 More convenient of installation and examination ,speed can be made as consumer' order, 7 Mute design, 8.Charger:AC220v60Hz,chargingtime:6-8hours, 9.Throttle:twistintelligentspeedthrottle, 10.Alloybrakehandle, 11 wheel size :16"-18".