ParametersThe product model：QQMaximum range：15-20KMMaximum load：130KMBattery capacity：2900MAHRunning speed：18KM/HWeight：11KGItemqualificationParameter contentexplanation?? ? ? ?? ? ? ?parameters? ? ?? ? ? ?Max Speed18Km/hDepending on rider weight and rode conditions and ambient temperatureRange15-20km?Max Gradient18-25?Working Temperature-20~60℃?BatterySamsung 5C Lithium ?battery?Battery Capacity2900mAh?Battery Power174WCharge Time75min?Max Lode130kg?WeightPedal distance11.5cmWithout loadingMotor size14’’?N.W9.8kg?Colorred/black/green/pink?Standard accessoriesCharger??Safe belt、training wheels??FunctionsSeparate blue-tooth switch、?Double channel amplifiers、A03 control board