2010 Bentley Brooklands Tire Size

The original tire size for your 2010 Bentley Brooklands is listed below. Tap on the box to view a color-coded explanation of the best Bentley Brooklands tire size.

255/40ZR20/XL

Simplified Size:  255-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Bentley Brooklands is 255/40ZR20/XL.  A color-coded explanation of the 2010 Bentley Brooklands's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

40

This number means that your tire has an aspect ratio of 40%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.  In this case, the sidewall height works out to be 102 millimeters.

Z

This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (240 km/h).  A tire's speed class is less specific than the speed rating.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
20

The tire size was designed to fit rims or wheels that are 20 inches in diameter.

XL

The mark of XL means extra load.  A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load.