Lexus IS 350C 2012 Manual page 590

6-1. Specifications
Tire related term
Rim width
Vehicle maximum load on
the tire
Vehicle normal load on
the tire
Weather side
590
Nominal distance between rim flanges
The load on an individual tire that is determined by
distributing to each axle its share of the maximum
loaded vehicle weight, and dividing by two
The load on an individual tire that is determined by
distributing to each axle its share of curb weight,
accessory weight, and normal occupant weight (dis-
tributed in accordance with Table 1
dividing by two
The surface area of the rim not covered by the
inflated tire
Meaning
*
below), and