Hi!
I am looking for a frame like you, for Bafang Ultra! But it looks like Frey is the only alternative?
I now have the Bafang BBSHD on a Mondraker Dune but motor is to low....
My dream is something like the https://www.haibike.com/en/INT/bikes/612/2018-xduro-dwnhll-10-0. but with the Bafang...