3 wheel electric bicycle 1) Speed: 0 - 20km/h 2) Motor: 250W 3) grip accelerator, with pedal With our professional technical ... scooter, Electric motorcycle, Electric bicycle, Electric tricycle, Electric 4 wheel vehicle and other special electric bikes, you will feel easy ... 4) Working style: grip accelerator, pedal assisted5) Frame: steel7) Wheel size: front: 20 inch, rear: 16 inch8) Brakes: front: ...