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. Electric bike battery with high quality inbuilt BMS. 36V 10.4AH Battery Connector for Controller: XT60 Nominal Voltage: 36V Nominal Capacity: 10.4Ah Composed Type: 10Series 4Paralles 10S4P Cells: Powerful 18650 3.7V 2600mAh 5C Cells BMS: 20 Amp continuous 400±10Amp maximum Fit Motor Power : 36V 250W 350W 500W Charge Current: 2A Charge Cut-off Voltage: 42V Discharge Cut-off Voltage: 30V Discharge Temperature: -20 to 65°C Charge Temperature: 0 to 45°C Dimensions: 7080205mm Battery Weight: 2.9kg Cycle life:? 80% capacity after 800 cycles. 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. 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.