Windforce Performax 275/60 R18 113H

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The Windforce Performax is a high performance all-season tire that provides excellent traction and handling in both dry and wet conditions. The tire features a unique tread design that helps to reduce road noise and improve fuel economy. The Windforce Performax is also backed by a 60,000 mile treadwear warranty. This tire is designed to be used in dry, high-speed conditions.

What does 275/60R18 mean?


The tire width is 275mm.


The aspect ratio of the tire is 60. 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.

275/60R18 113H tire size

The width of 275/60R18 113H tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 275/60R18 113H tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

10.8″ 275mm

Sidewall height

6.5″ 165mm

Diameter / Height

31.0″ 787mm


97.4″ 2473mm

Rim Diameter



651 per mile 404 per kilometer

Rim Size for 275/60R18 113H Tires

Recommended rim sizes for 275/60R18 113H tire:

Diameter Width Range
18″ 7.5-9.5″

What does 113H mean?

The load index 113 means that the tire has been designed to support 2535 lbs or 1150 kg.

The speed index H means that the tire has been designed to be used in speed up to 130 mph or 210 kph.


Windforce is a tire brand known for their high performance tires. Their tires are designed to provide excellent grip and handling, making them ideal for driving in all conditions. Windforce tires are also known for their long lasting tread life, making them a great choice for those who want to get the most out of their tires.

Tire Specification

Brand: Windforce
Model: Performax
Season: Summer
Size: 275/60 R18
Load Index: 113 — 1150 kg | x4 - 4600 kg
Speed Index: H — 210 km\h
Car Type:SUV
Road: On/Off road
XL / Extra Load: No
RunFlat technology: No
Commercial / Reinforced: No
EU Label
Fuel efficiency: E
Wet grip: C
Noise level: 72dB