It’s easy to make a folding e-bike like the Engwe P20 look great on paper.
First, you price it near $1,000 and promise a 10-second folding time. Then, you replace the traditional oily chain, derailleur, cassette, and shifter with a belt-driven motor and torque sensor that should intuitively ramp up the pedal-assisted power without requiring any gears or maintenance. Finally, you add hydraulic disc brakes to bring everything to a controlled stop and wrap it all up in a nice-looking package…