The Brose motor is not reliable.
Remember the 'Landrider' with auto transmission? Nobody wants to ride an autoshifting bike.
250 watts and 66ftpounds of torgue .... ya, I don't think so. Keep on dreaming.
Why would anyone spend $4499 when you can get bikes like this for...:
https://www.aventon.com/products/ave...commuter-ebike