csc 48v electric fat tire bike motor kit 1000w front or rear ebike bicycle conversion kit 20inch 24 inch 26 inch wide tire 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" x4 inch 5. dropout: 170mm or 190mm (rear) / 135mm (front) 6. controller: 48v 1000w dual mode 12 mosfet controller 7. display: kt lcd 3, kt lcd 8, led display for options. 8. bluetooth function is optional