If you need a tire. 1 Battery & charger (If you select “NO battery” the battery is not included). 1 front or rear Motor wheel(26/27.5/28/29inch 700C). 1 pair Power cut-off Brake lever. 1 set Twist Throttle. 1 Pedal Assistant Sensor. 48V 1000W about 45-55km/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. Rim: Double-wall Aluminium Alloy Rim. Wheel Bottom bracket: Rear 135mm-142mm or Front 100mm. 25-35NM for 36v 250W 350W. 320 for 36V 250W 350w. 470 for 48V 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. 36V 15AH 250W 350W 500W rechargeable 36v 10ah Electric Bike Lithium Battery with USB mobile charger. Electric Bike Battery Specifications. Composed Type: 10Series 6Paralles 10S6P. Cells: Powerful 18 650 3.7V 2500mAh 10A 5C Cells. BMS: 20 Amp continuous 50±10Amp maximum. Fit Motor Power : 36V 250W 350W 500W. Charge Cut-off Voltage: 42V. Discharge Cut-off Voltage: 30V. 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 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. Composed Type: 13Series 5Paralles 13S5P. Cells: Powerful 21700 3.7V 4800mAh Cells. Battery Weight: 5.73kg. SW900 display Product Features Display Function: Speed display, power-assisted gear display, power indicator, fault prompt, total mileage, single mileage, headlights and single driving time display. (2) Control/Setting Function: Power switch control, headlight switch control, 6Km/h boost control, wheel diameter setting, speed limit setting, meter sleep setting, backlight brightness setting, voltage setting. CSC 6 mosfet controller Fit for: 36V 250W/350W/500W motor wheel , SW900 Display Rated current: 15A, Max current: 30±1A Size: 1006432mm CSC 12 mosfet controller Fit for: 48V 1000W motor wheel, SW900 Display Rated current: 22A, Max current: 44±1A Size: 14983.342mm CSC 15 mosfet controller Fit for: 48V 1500W motor wheel , SW900 Display Rated current: 35A, Max current: 70±1A Size: 118.282.3341mm. KT BZ-4(8) Magnet. SW900 display uses Twist Throttle. 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.