Noted:Conversion Kit not include Battery, tire, freewheel, disc brake. 1 rear Motor wheel(26/27.5/28/29inch 700C). Inner tube and tire. 1 pair Power cut-off Brake lever. 1 set Half Twist Throttle. 1 8 Magnet Pedal Assistant Sensor. 1 7S freewheel 1 160mm. 36V 250/350/500W about 20-35km/hour. 48V 500W about 40-50km/h, 48V 1000W about 45-55km/h, 48V 1500W about 50-60km/h, (different wheel size, road&weather condition and rider’s weight will have different speed). Brushless gear Hub Motor for 36V. Brushless Non-gear Hub Motor for 48V. Double-wall Aluminium Alloy Rim. 24 26 27.5 inchs is SUN ringle MTX39, inner width 30mm. 28 29 inchs 700C is SUN ringle MTX33, inner width 26mm. Rear 135mm-142mm or Front 100mm. 25-35NM for 36v 250W 350W 500W 30-40NM for 500W 1000W 35-45NM for 1500W. 320 for 36V 250W 350w 350 for 36V 500W 470 for 48V 500W 1000W 540 for 48V 1500W. New slim shark style Case Battery with power button. Waterproof and Solid plastic Case. Lighted battery LED power Indicator. Lock with Keys securely locks the mount on bike frame. Electric bike battery with high quality inbuilt BMS. 48V 13AH Battery Connector for Controller: XT60 Nominal Voltage: 48V Nominal Capacity: 13Ah Composed Type: 13Series 5Paralles 13S5P Cells: Powerful 18650 3.7V 2600mAh 5C Cells BMS: 30Amp continuous 60±10Amp maximum Fit Motor Power : 48V, 500W, 750W, 1000W Charge Current: 2A Charge Cut-off Voltage: 54.6V Discharge Cut-off Voltage: 39V Discharge Temperature: -20 to 65°C Charge Temperature: 0 to 45°C Dimensions: 7095270mm Battery Weight: 4.4kg Cycle life:? 80% capacity after 800 cycles. Composed Type: 13Series 4Paralles 13S4P. Cells: Powerful 21700 3.7V 4500mAh Cells. BMS: 40Amp continuous 100±10Amp maximum. Fit Motor Power : 48V 250W-1500W. Charge Cut-off Voltage: 54.6V. Discharge Cut-off Voltage: 39V. Discharge Temperature: -20 to 65°C. Charge Temperature: 0 to 45°C. Battery Weight: 3.7kg. Cycle life:? 80% capacity after 800 cycles. Composed Type: 13Series 5Paralles 13S5P. Cells: Powerful 21700 3.7V 4800mAh Cells. Battery Weight: 5.73kg. LCD3 display Product Features Display Function: it shows the riding speed, a single mileage and cumulative mileage, riding time, power-assist gear, motor power and temperature, battery voltage and charge status, brake status and the used ambient temperature and other cycling parameters; Control/Setting Function: comes with Brake Regeneration Anti-Charge, Data display, Intelligent power, Stalls setting, Parameter setting, Data view, Vehicle boosting, Cruise and constant speed, Night driving, Password setting, Automatically prompt. KT 12 mosfet controller Fit for: 48V 1000W motor wheel, LCD3 Display Rated current: 15A, Max current: 30±1A Size: 1768241mm KT 18 mosfet controller Fit for: 48V 1500W motor wheel , LCD3 Display Rated current: 22A, Max current: 45±1A Size: 2408241mm. KT BZ-4(8) Magnet. Half Twist Throttle (default). Power cut-off brake leaver. Your satisfaction is our top priority and we are confident that you will be pleased with our services. Our Factory and Warehouse.