e-MTB vs MTB - what's the difference

As ebikers we've all been there: cheating, that's a motorbike, that's not a mountain bike and many more comments thrown at you as you enjoy the wonderful experience of riding an ebike. Shimano (#RideShimano) got professional free rider Sam Reynolds to ride his conventional or analogue  bike for one hour and then another  hour on an EP8 e-bike with instructions to just ride as he normally would. There results are surprising to say the least: