csc e bike 48v 1500w mtb electric bike kit 20 24 26 27.5 28 29 inch 700c front rear bike wheel hub motor conversion kit with lcd display

the electric bike kit including below details. 1. model: 48v 1500w brushless non-gear hub motor 2. speed: 50-60km/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 1500w dual mode 18 mosfet controller 7. display: kt lcd 3, kt lcd 8, led display for options. 8. bluetooth function is optional