... 4.250W electric bicycle 5.Model:TDN23-11Z 20inches, 250W, Lithium battery, Aluminium alloy, electric bicycle TDN23-11ZMotor :Geared brushless motorWheel diameter ... : 36V/10Ah (Lithium battery)Power : 250WCharger’s input voltage : 110V-240V ACRecharging time: 6-8hoursFrame:Aluminium 510*458Handlebar:Aluminium cityCrank:Aluminium 44T*140Gears:Single ...