The current stock is 21speed version Specifications BrandGUNAIModelMX02SMaterialAluminum AlloyWheel26 4 0 InchBrakeXOD Front and Rear Brake SystemMotor48V 1000W Brushless MotorDampingFront SunpensionTorque95N MShift level21 Speed SHIMAN0Recommended Speed25 KM HDisplay ParametersLCD InstrumentRecharge MileagePure Electric 35 40 KMPower Assitance 40 50 KMControllerBrushless ControllerBattery Capacity17AhClimbing35°Charging Time6 7 HoursWaterproofIP45Product Weight29 KGProduct Size186 65 105 CMPackage Weight34 KGPackage Size156 34 80 CMMax Load150 KGSuitable For Height165 200CMCertificationCEColorBlack BlueTaxFree TaxFeatures 40 50KM power assisted mileage 17Ah batteries 1000W motor Aluminum alloy frame rugged design puts safety first Three mode of travel pedal mode boost mode power mode Understand every stepping on you experience new riding fun Smart LCD meter detect driving data Double Dics Brake 26 4 0 wheels Package included 1 x Electric Bicycle 1 x Charger1 x Pump1 x Tool1 x Luggage Rake1 x User Manual