1 X 48V Motor wheel. 1 X 48V controller. 1 X controller bag. 1 X SW900 display. 1 X twist throttle (pair). 1 X brake lever (pair). 1 X PAS sensor. 1 X battery and charger—-this is optional. If you chose “with battery 48V 18Ah”, the battery and charger is included. If you chose “NO battery”, the battery and charger is not included. Brake lever-Power cut-off Brake lever/sensor. There are 2 options. BZ-4(8)- 8 magnets PAS.