Before: just old rare 1998 bike, all stock except new V-brakes and saddle. (blue one)
After: Cell-man DD 500W MXUS, lipo turnigy 10s 10Ah. Infineon 30A. Hand-made plastic lipo storage in the frame, covered by doctape.
38 km/h on flat, distance: 30-50 km. Runs Great!