... electric bicycle,e-bike,electric scooter,scooter,electric vehicle,electric motorcycle Folding electric bike,foldable electric bike, electric bicycle,e bike ... electric bicycle,e-bike,electric scooter,scooter,electric vehicle,electric motorcycle 500W Motor Drum brake(800W for optional)48V17AH fully sealed ... for optionalfront and rear big drum brake 16*3.0 tire E-ABS brake system