Added a comment about feature Good Riddance, Pinch Flats! Introducing Dual Chamber Tire System from Schwalbe 2/8/2014 2:06 PM
Added reply in a thread Electric Mountain Bikes 9/16/2013 8:19 PM
I say no they dont have a place on MTB "single trails". However they could be used on fire trails (dirt roads) to reach the top of a DH run at which point the "electric assist" will be turned off for the duration of the run.