3 wheel electric bicycle 1) Speed: 0 - 20km/h 2) ... includingElectric scooter, Electric motorcycle, Electric bicycle, Electric tricycle, Electric 4 wheel vehicle and other special electric bikes, ... Working style: grip accelerator, pedal assisted5) Frame: steel7) Wheel size: front: 20 inch, rear: 16 inch8) Brakes: ... HQ: 90 units;About us: HONGDU E-Bicycle company is located in Changzhou city, in Jiangsu ...