... bicycle,e-bike,electric scooter,scooter,electric vehicle,electric motorcycle Folding electric bike,foldable electric bike, electric bicycle,e ... ,scooter,electric vehicle,electric motorcycle500W Motor Drum brake(800W for optional)48V17AH fully sealed lead-acid maintenance-free battery48V ... 20/22AH battery for optionalfront and rear big drum brake 16*3.0 tire E-ABS brake system 1000W electric motorcycle