Your selected tire size
245/40R18 Summer tires
Nokian Tyres
Powerproof 1
Nokian Tyres Powerproof 1 is a premium summer tire for passenger cars, SUV's and crossovers
Nokian Tyres Powerproof 1 offers logical steering and peace of mind for high-speed driving.
-
up to 300 km/h max load 730 kg
Nokian Tyres
Powerproof 1
Nokian Tyres Powerproof 1 is a premium summer tire for passenger cars, SUV's and crossovers
Nokian Tyres Powerproof 1 offers logical steering and peace of mind for high-speed driving.
-
up to 300 km/h max load 730 kg
What does 245/40 R 18 mean?
| Marking | Explanation |
| 245 | is the width of the tire in millimeter. The width of a tire plays a significant role in terms of stability, handling, and overall performance. |
| 40 | The aspect ratio (height to width ratio) is the tire’s height compared to its width in percentage. It affects the ride comfort, and overall handling |
| R | R refers to the tire’s structure and means that the tire has a radial construction, making the tire stable and precise. Almost all passenger car tires on the market are radial tires. |
| 18 | is the rim diameter in inches. By following the car manufacturer's recommendations for rim size, you can ensure that the tires and rims work together harmoniously with proper brake clearance and optimal tire performance. |
