1 X 36V Motor wheel. 1 X 36V controller. 1 X controller bag. 1 X SW900 display. 1 X twist throttle (pair). 1 X brake lever (pair). 1 X PAS sensor. About battery—-if you chose the option “with battery”, then the battery is included. If you chose “no battery”, then the battery is not included. Brake lever-Power cut-off Brake lever/sensor. There are 2 options. BZ-4(8)- 8 magnets PAS.