A. Section width
B. Section height
P 185/ 80 R 13
1. Tire type
P – passenger
T – spare tire
C – commercial
2. Section width (mm)
185
195
205, etc.
3. Ratio (section height to width)
70
75
80
4. Type of construction
R – radial tires
B – diagonally belted
D – with diagonal cord
5. Disc diameter (inches)
13
14
15
