Is it really only 2.5kW? Wow, I was told by Zelena that's 5kW. I always felt something was wrong with motor XD
Anyways, it's look like the best option for me is this qs 263 50mm with rimm and spokes.
NBPOWER 200mm Dropout, QS 273 Spoke Hub Motor(50H) 12000W -16000W QS V3 Type, Designed for...