Product Name: 2014 Popular Type Electric Bicycle Conversion Kit (JB-FV1000) Model NO.: JB-FV1000 Type: Conversion Kits Wheel Size24inch/26inch: Size80*65*20cm Running Distance: <45km Motor: Brushless Max Speed: 20-40km/H Battery Type: Lithium Battery frame Material: Aluminum Voltage of Battery: 36V Power: 200-250W Certification: Ce, ISO Maximum Loading Capacity: 75-120kg Trademark: JB-FV1000 Transport Package: in Carton Specification: 80*65*20cm Origin: Zhejiang China Product Description 48V10AH 500-1000W Rear Rack battery kit (Speed 38km/h, Distance 35km by throttle /60km by PAS)Model No. FV1000/FD1000/RV1000/RD1000Motor48V 500-1000W front/rear drive(disc brake)Battery48V10AH Rear Rack Lithium batteryController48V500W-1000W 9-12musfetsThrottleYESDisplayLED displayBrakeleveralloyPAS Sensor1: 1-1: 3 PAS, 8pcs magnetsWheel Size24inch/26inchChargerEU standardSize80*65*20CMGW/NW16/13KGModelNo.FV1000/FD1000/RV1000/RD1000Motor48V500-1000Wfront/reardrive(discbrake)Battery48V10AHRearRackLithiumbatteryController48V500W-1000W 9-12musfetsThrottleYESDisplayLEDdisplayBrakeleveralloyPASSensor1:1-1:3PAS,8pcsmagnetsWheelSize24inch/26inchChargerEUstandardSize80*65*20CMGW/NW16/13KG