The Wallke H7 AWD is a bold example of how electric rides are evolving. Unbelievably powerful e-bike can achieve mind-bending speeds: 'Fast and powerful ... but they aren't for everyone' first ...

Not all e-bikes are the same, and some, like the Kodiak AWD, are designed to trudge across America's backcountry like there's no tomorrow. That said, grab a helmet, and let's see what it takes to ...