electric bicycle 1, Lithium battery powered bicycle 2, ISO9000:2000,CE, UL approval electric bicycleMODEL: TDE03ZMain Technical ... Time: 5-8h4, Gears: SHIMANO Front 3 rear 6 gears5, Folding Mechanism: Unfoldable6, Brake: Front V brake, Rear V brake7, Driving Model: Full ... , Deficient protection voltage: 30V18, Over current protection value: 14A19, Sensor: Speed sensor Electric mountain bicycle TDE03Z ...