Duotts F20 Review: Is This 1000W Moped-Style E-Bike Really Worth the Hype? Every now and then, a new e-bike shows up claiming big power, huge range, and “motorcycle-like” performance in a bicycle frame. The DUOTTS F20 is one of those bikes. On paper, it looks almost too good: a 1000W motor, massive torque, full suspension, [...]