The kit we supply including the following parts.
1, 1set of front wheel brushless geared motor with the mounted rim and
    spoke and tyre/tube
    Motor power:

    24V 150W,350W/ 500W

    36V 250W 350W 500W 750W

    48V 350W 500W 1000W brushless geared motor
    Wheel size:

    24”,26"/ 28"
2, 1pcs Motor controller.
3, 1pcs twist hand throttle
4, 1sets Electric brake handle
5, 1pcs of battery charger
6, battery capacity indicator
7, battery holder(Opptionals)
Top speed: 25km/h