1 750W Mid Drive Motor built in controller. 1 Pair Brake Levers or Brake Sensors. If you want change the chain wheel. Please kindly leave us message. 1 Set Thumb Throttle. 1 Set Speed Sensor. 1 4 in 1 EB-BUS Cable. 1 PC 6V Front Light + 1 PC Gloves1 + 1 PC Install Tool Wrench + 1 PC Crank Removable Tool + 1 PC XT60 Port Motor Battery Connector Cable + 1 set Install Accessories for 73mm Bottom Bracket + 4 PCS 36V 250W Stickers + Cable ties + User Manual.