csc ebike 48v 1000w electric bicycle conversion kit 20 24 26 27.5 28 29 inch 700c front rear bike wheel hub motor kit with lcd display

the electric bike kit including below details. 1. model: 48v 1000w brushless non-gear hub motor 2. speed: 45-55km/h 3. double-wall aluminum alloy rim 4. wheel size available: 20",24",26", 27.5",28",29",700c 5. dropout: 135mm-142mm (rear) / 100mm (front) 6. controller: 48v 1000w dual mode 12 tube controller 7. display: kt lcd 3, kt lcd 8, led display for options. 8. bluetooth function is optional