https://www.brose.com/de-de/presse/2025/brose-uebertraegt-e-bike-antriebsgeschaeft-auf-yamaha-motor.html
Looks like Yamaha own it now.....
Bafang M620 or the smaller M560 is the only mid-drive that make it easy for DIY types.
I love mine
I'm not a purest bike type I came from the dirtbike...