Craving quick acceleration on a street‑legal e‑bike? Go for the X1 SE. Dirt‑bike styling, fully Class 2 compliant and road‑ready. You can ride the bike by pedal assist and also by full twist throttle. Top speed 20mph by throttle, if you want to go faster, you can pedal a little bit the built-in pedal sensor will speed up to reach 28mph which can make you feel more powerful.