... gears We are assessed supplier by alibaba&BV!electric bike specifications :Motor:200W Light weight high speed brushless ... ).Rear derailleur:SHIMANO outer 6 speed. electric bike EN15194 with new design Verified Information This information is Verified by Bureau ... (Motorcycle Rearview Mirror, Saddlebag, Light, Windshield, Plastic), Design Development, Production and Export of Electric Vehicle 2012/02/27 ...