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 or 48V 24Ah”, the battery and charger is included. If you chose “no battery”, then 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.