Cairn Adventure 1.0  Fazua Ride 50 Motor.  See description here...

https://www.pinkbike.com/buysell/3426542/

Youtube video describing the bike...

https://www.youtube.com/watch?v=IPMEj8Kf4EQ&t=417s

I'll probably do the picnic gravel ride on this bike if you are interested in checking it out.