Packing List Noted:Battery, inner and outer tires, thread freewheel, disc. 1 Front or rear Motor wheel(20/24/26/27.5/28/29inch 700C) 1 DC Controller 1 Controller Bag 1 SW900 Display 1 pair Power cut-off Brake lever 1 set Twist Throttle 1 8 Magnet Pedal Assistant Sensor. Your satisfaction is our top priority and we are confident that you will be pleased with our services.