Toyota CH-R Owners Manual: Tire size

■ Typical tire size information The illustration indicates typical tire size.

1. Tire use (P = Passenger car, T = Temporary use)
2. Section width (millimeters)
3. Aspect ratio (tire height to section width)
4. Tire construction code (R = Radial, D = Diagonal)
5. Wheel diameter (inches)
6. Load index (2 digits or 3 digits)
7. Speed symbol (alphabet with one letter)

■ Tire dimensions

1. Section width
2. Tire height
3. Wheel diameter

Tire section names

1. Bead
2. Sidewall
3. Shoulder
4. Tread
5. Belt
6. Inner liner
7. Reinforcing rubber
8. Carcass
9. Rim lines
10. Bead wires
11. Chafer