Toyota Lexusc Owner's Handbook Manual page 686

Rim A metal support for a tire or a tire and tube assembly upon which the tire beads are
seated
Rim diameter (Wheel Nominal diameter of the bead seat
diameter)
Rim size designation Rim diameter and width
Rim type designation The industry of manufacturer's designation for a rim by style or code
Rim width Nominal distance between rim flanges
Vehicle maximum load The load on an individual tire that is determined by distributing to each axle its share of
on the tire the maximum loaded vehicle weight and dividing by two
Vehicle normal load The load on an individual tire that is determined by distributing to each axle its share of
on the tire the curb weight, accessory weight, and normal occupant weight (distributed in
accordance with Table 1 that follows) and dividing by two
Weather side The surface area of the rim not covered by the inflated tire
CHASSIS
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