... quantily,reasonble price, Hot selling 4.Utility and agile bicycl Foldable Electric charging bicycle/ Agile and utility Electric bikeMain Technical Parameters ... /Ah): 36V /9 Ah Lithium battery2, Motor(watts): 36V/250W hub motor, brushless3, Charging Time: 5-8h4, Gears: SHIMANO 65, ... protection value: 14A19, Sensor: Speed sensor 2012 Hot selling foldable electric bicycle/ Agile Electric charging bike