... and agile bicycl Foldable Electric charging bicycle/ Agile and utility Electric bikeMain Technical Parameters and Specification:1, Battery description(V/Ah): 36V /9 Ah Lithium battery2, Motor ... hub motor, brushless3, Charging Time: 5-8h4, Gears: SHIMANO 65, Folding Mechanism: foldable6, Brake: Front V brake, Rear ... Speed sensor 2012 Hot selling foldable electric bicycle/ Agile Electric charging bike