simino 20" electric bicycle new style Tyre size : KENDA 20”x 1,75 city styleMotor : 250W 36V last generation hub gear brushless motorBattery : Lithium-ion 36V 10Ah , warranty 1 year; UL,CE certificated.Rims : Aluminium alloy, double wall, inner 19mmKickstand : central position, aluminium.Frame : Aluminium alloyFront fork : Aluminium..