JH07-108Z electric Bicycle Batteries: Lithium battery36 Volts 10ah controller: 15 A Motor Type: 230-250 Watt, Brushless electric BicycleItem No.:JH07-108ZApproved:CEBatteries:Lithium battery36 Volts 10ahcontroller:15 AMotor Type:230-250 Watt, Brushless high speed geared motor---- motor is in center of rear wheelFrame:Aluminum alloyFork:Aluminum alloy with springDerailleurwith "Shimano" derailleur ...