Pirelli P Zero 245/40 R21 100Y XL

The Pirelli P Zero is a high performance tire that offers excellent grip and handling. It is designed for use on high performance cars and is ideal for use in dry and wet conditions. The Pirelli P Zero has a unique tread pattern that helps to provide excellent traction and grip. The tire also features a special compound that helps to improve handling and stability. The Pirelli P Zero is a high performance tire that is designed to be used in dry and wet conditions.

What does 245/40R21 mean?

245	The tire width is 245mm.
40	The aspect ratio of the tire is 40. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width.
R	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.
21	Rim diameter for the tire.

245/40R21 100Y tire size

The width of 245/40R21 100Y tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 245/40R21 100Y tire size in inches as well as few additional metrics:

	In inches	In millimeters
Section Width	9.6″	245mm
Sidewall height	3.9″	98mm
Diameter / Height	28.7″	729mm
Circumference	90.2″	2291mm
Rim Diameter	21″
Revolutions	702 per mile	436 per kilometer

Rim Size for 245/40R21 100Y Tires

Recommended rim sizes for 245/40R21 100Y tire:

Diameter	Width Range
21″	8-9.5″

What does 100Y mean?

The load index 100 means that the tire has been designed to support 1764 lbs or 800 kg.

The speed index Y means that the tire has been designed to be used in speed up to 186 mph or 300 kph.

This size tire is usually used for high-performance vehicles.

AboutPirelli

Founded in 1872, Pirelli is one of the oldest tire manufacturers in the world. Headquartered in Italy, the company produces tires for a variety of vehicles, including passenger cars, motorcycles, and commercial vehicles. Pirelli’s flagship product is the P Zero, a high-performance tire that is used on some of the world’s fastest cars, including the Bugatti Chiron and the Ferrari LaFerrari.