FOLDABLE AND PORTABLE
Urban Humming Bird
Weighing only 16kg with battery, it can be lifted with just one hand. It's easy to take it home, take it to work, put it in the car, or take it to the subway.
CARBON BELT & TORQUBE SENSOR
Unchain Your Ride
Free yourself from oily, rusty chains, and join the carbon drive revolution. 2-30,000 km maintenance-free. Smart torque sensor translate every movement into smooth motor power.
