electric wheels moto ebike niu n-gt original from china 70km/h large lithium battery capacity

maximum load : 2 brand name : hcgwork -original niu scooter n-gt. -sport,dynamic,e-save three speed mode.reach 125cc motorcycle lever. -in sport mode bosch electric motor from germany,3000 watt rated power,powerful start. -climbing degree:28 degree. -niu foc vector controller,cloud ecu center control. -2 pcs 60v35ah batteries.18650 panasonic lithium battery. -batteries can be removed for charging. -range:170km -charging time:3.5 hours one battery.