Step: 1.
Install the screwes like on
the picture.











Step: 2.
Install the bearings in the
middle of the wheel











Step: 3.













Step: 4.













Step: 5.













Step: 7.













Step: 8.













Step: 9.













Step: 10.













Step: 11.













Step: 12.













Step: 13.













Step: 14.












Almost there, now you just need to install the wheels on the car :)
Thanks to Racetin.no