Specialized launched its off-road Levo series of Turbo electric-assist bikes last July in Europe. The US version of these pedal assist (no throttle) bikes just landed Stateside, a few weeks ahead of ...

NX drivetrain doesn't fit the price tag; needs a tougher rear tyre casing and longer-travel dropper post; motor lacks torque and power; battery life could be better; a full 29er option would be nice ...