Main gear wheels fresh out of the box.
Main gear wheels have been split here, their brake discs separated, and their bearing/washer/felt assemblies removed. Tires and tubes await installation.
Here the tires, tubes, wheel halves, and brake discs have been assembled, torqued, and inflated. The wheel bearings await cleaning, greasing, and installation.
Main gear wheels and tires are ready to mount on the airplane.