@Voltbike Any news you can share with us? I suspect it will be the new Bafang 350W mid-drive motor which Court has reviewed on another bike here: https://electricbikereview.com/volton/alation-mid-drive-48v/We are planning to have regular size tires mountain bike later in the winter, but it will feature 350w mid drive motor.
...we are planning to release another regular tires 26"x2.15" model later this year which will use mounting bike frame.
In that review, Court seems to like the Bafang mid-drive a lot in terms of performance and price. It is purpose built and I like it lot also, especially given its lower price point.
I am confident Bafang has a lot of experience with mid-drives from its popular BBS02 and BBSHD kits.
Hopefully, @Voltbike can continue to offer it at a low price with it's "direct to consumer" business model, and this mid-drive will be available before Spring 2017.