Specifications ItemElectric MountainBicycle Modification KitsVoltage36VMotor Wattage250WSize26 InchesColorBlack WhiteThe front wheel drive gear width100 mmRear wheel drive gear width135mmFeatures Electric mountain bike modification motor kits in 36v 250w 26inch Double aluminum alloy rims Stainless steel bannersProfessional tools for modifying bike mountain bike Package Includes 1 36v 250wMotor wheel Front Wheel 2 MoterController3 Thumb Throttle4 Brake Leaver5 PAS