Front and Rear Dual Motor Electric Bicycle - 21 Speed Oil Brake Lithium Battery Color:Black and blue Solar panel: 2V 60mA amorphous

Solar panel: 2V 60mA amorphous silicon solar panel

45 inches

high strength

Built-in rechargeable polymer battery for easy moving and carrying

One Package Size 15cm * 10cm * 3cm / 5

Front and Rear Dual Motor Electric Bicycle - 21 Speed Oil Brake Lithium Battery Color:Black and blue Solar panel: 2V 60mA amorphousMaterial: aluminum alloy car Frame structure: whole car Propulsion Mode: No Chain Braking system: Dual disc brakes Frame Type: Hard Frame Front fork type: spring fork (low gear without damping) Configuration level: luxury fever type Pedal Type: Beaded Pedal Brake Type: Front and rear mechanical disc brakes Color: 21 speed oil brake black and red 48V21AH, 21 speed oil brake black and blue 48V21AH, 21 speed oil brake black and green 48V21AH, 21 speed