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