how to make mini electric motorbike 1000w 43kph

make an electric motorcycle with a child's bike.
1000w 48v motor.
top speed 43kph.
seat for 2 people.

motor :https://s.click.aliexpress.com/e/_Ao0LWc
seat: https://s.click.aliexpress.com/e/_AcHBek
freewheel :https://s.click.aliexpress.com/e/_A0VGG4
little crown: https://s.click.aliexpress.com/e/_APcSvQ
big crown :https://s.click.aliexpress.com/e/_A8xRLW
suspension: https://s.click.aliexpress.com/e/_AYV5LA
battery charger: https://s.click.aliexpress.com/e/_AU2whO
chain: https://s.click.aliexpress.com/e/_AdMuQg
trottler: https://s.click.aliexpress.com/e/_Arq91i
motor controller:https://s.click.aliexpress.com/e/_9v0BVa
battery cell: https://fr.aliexpress.com/item/330622...