... bicycle with Own Exclusive Patent 2. 1:1 intelligent pedal assistant system 3. EN15194 offroad e bicycle1. Crank Shaft Folding Electric ... demands.5. Using Dual-rachet clutch 6. Electric power supply and manual labor are totally ... each other, which makes the structure of electric motor more compact7. High quality and most competitive ... RoHs, FC, CSA, 3C, ISO9001, ISO9002 Electric Bicycle EN15194