Nankang SP-7 225/50 R18 95V

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The Nankang SP-7 is a high performance all-season tire that provides excellent traction and handling in all weather conditions. The SP-7 features a unique tread design that provides excellent grip on wet or dry roads. The tire also features a special compound that helps resist wear and tear. The Nankang SP-7 is a great choice for drivers who want a high performance tire that can be used in all types of weather. This tire is designed to be used in all-season conditions. It has a tread pattern that is designed to provide good traction in both wet and dry conditions, and it is made from a durable rubber compound that can withstand the rigors of everyday driving.

What does 225/50R18 mean?


The tire width is 225mm.


The aspect ratio of the tire is 50. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width.


The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.

Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates.


Rim diameter for the tire.

225/50R18 95V tire size

The width of 225/50R18 95V tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 225/50R18 95V tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

8.9″ 225mm

Sidewall height

4.4″ 113mm

Diameter / Height

26.9″ 682mm


84.4″ 2143mm

Rim Diameter



751 per mile 467 per kilometer

Rim Size for 225/50R18 95V Tires

Recommended rim sizes for 225/50R18 95V tire:

Diameter Width Range
18″ 6-8″

What does 95V mean?

The load index 95 means that the tire has been designed to support 1521 lbs or 690 kg.

The speed index V means that the tire has been designed to be used in speed up to 149 mph or 240 kph.

This size of tire is most commonly used on passenger cars.


Nankang is a Taiwanese tire company that has been in business since 1959. The company produces a wide range of tires for passenger vehicles, SUVs, and light trucks. Nankang’s SP-7 tire is a all-season tire designed for use on both dry and wet roads. The tire has a wide tread pattern with large tread blocks that provide good traction and stability. The SP-7 is a popular choice for drivers who want a reliable all-season tire that performs well in a variety of conditions.

Tire Specification

Brand: Nankang
Model: SP-7
Season: Summer
Size: 225/50 R18
Load Index: 95 — 690 kg | x4 - 2760 kg
Speed Index: V — 240 km\h
Car Type:SUV
Road: On/Off road
XL / Extra Load: No
RunFlat technology: No
Commercial / Reinforced: No
EU Label
Fuel efficiency: C
Wet grip: B
Noise level: 71dB