How to make your own ebike (from hard tail to custom full suspension bike)

I made my own electric bike frame from scrap metals electronic parts in this project are from my old ebike that has hard tail frame and wooden battery box. 350w rear controller hack to 20A output 350w front controller hack to 12A output 500w direct drive rear hub motor 350w geared hub motor 51.2v 22Ah 16s4p liFepo4 32650 battery cells