BFGoodrich All-Terrain T/A KO2 LT255/55R18 Tires

BFGoodrich All-Terrain T/A KO2 LT255/55R18 D 109/105R is an all-terrain tire priced from $290.99.

BFGoodrich All-Terrain T/A KO2 LT255/55R18 D 109/105R Tire Specs

LT255/55R18 is a LT-Metric tire. It also comes in a Metric (255/55R18) and a P-Metric (P255/55R18) variant

Let us decode each aspect of the tire size code to have a full understanding what this tire size means.

LT indicates that LT255/55R18 is a light truck tire.

255 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of LT255/55R18 tire is 255 millimeters.

55 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For LT255/55R18 tire, the sidewall height is 55% of its tread width.

R denotes that LT255/55R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. LT255/55R18 can be mounted on rims with 18 inches in diameter.

D denotes the load range of a tire. Load Range D is equivalent to an 8-ply rating in the old system, but the actual number of plies in the tire may be different. These tires are generally rated for a maximum inflation pressure of 65 psi, and are commonly found on light trucks, SUVs, and trailers, where higher load carrying capacity is needed. They are particularly important for vehicles that are used for towing or carrying heavy loads.

109/105 indicates a dual load index, meaning a tire can be used in a single or a dual application. For a single application, load index of 109 can support a maximum load of 2271 pounds or 1030 kilograms per tire. For a dual application, load index of 105 can support a maximum load of 2039 pounds or 925 kilograms per tire.

R indicates the speed rating. A tire with a speed rating of R is approved for speeds up to 106 miles per hour or 171 kilometers per hour under optimal conditions.

Maximum inflation for BFGoodrich All-Terrain T/A KO2 LT255/55R18 tire is 65 psi.

Tire manufacturer part number (MPN) is 04785.