I think a new wider motor needs a new frame, pure and simple, and with more power, a stronger frame while they are at it. It will also need a much stronger belt or chain. More power draw means they need better battery cooling, so that's redesigned.
I see the changes as a chain reaction rippling through the bike as a consequence of a more powerful motor, but while still trying to use some common components (battery modules).
There are some tech upgrades (LED headlight for one), I hope they also develop a better dash and app to go with it.
Not long to wait now though.