Sixthreezero, known for its innovative electric bikes and tricycles, has introduced a new e-mobility device that combines the stability of four wheels with the versatility of an electric drivetrain.

I’ve tested a number of e-bikes in my time here at TechCrunch. And I’ve never been so tempted to hang onto one as I have with Heybike’s new Alpha. This sturdy, fat-tire, all-terrain e-bike is worth ...