1. offroad e bicycle with Own Exclusive Patent 2. 1:1 intelligent pedal assistant system 3. EN15194 offroad e bicycle1. Crank Shaft Folding Electric ... -quality after services8. Motor: 150W-250W high speed brushlessless motor with gear9. Battery: 36v 6.6Ah Li-ion10. Controller: 36v intelligent brushless11 ... , RoHs, FC, CSA, 3C, ISO9001, ISO9002 BFLEB20-001 offroad e bicycle with EN15194