Tire
Properly mounted and secure With no cracks,Bulges,cuts Or uneven wear and not leaking Tread depth is not less than 4/32" Filled to manufacture spec Of 110 Pounds and check with an air gauge
Valve Stem and Cap
Properly mounted and secure
Not missing or broken
Rims
Properly mounted and secure
With no illegal welds On the inside
Or the outside of the rim
Lug nuts
Probably Mounted and secure
With no shiny thread or rust trails
Or oblong holes with may indicate a loose lug nut
Hub Seal
Properly mounted and secure
Not cracked or damaged
or leaking and filled to manufacture spec
(I will inspect the axle on the other side the same way I did this one)