Westlake ST100 ST235/85R16 Tires

Westlake ST100 ST235/85R16 E 104Y is a touring all-season tire priced from $116.99.

Westlake ST100 ST235/85R16 E 104Y Tire Specs

ST235/85R16 is a Special Trailer tire. It also comes in a LT-Metric (LT235/85R16) and a Metric (235/85R16) variant

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

ST indicates that ST235/85R16 is a trailer tire.

235 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 ST235/85R16 tire is 235 millimeters.

85 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For ST235/85R16 tire, the sidewall height is 85% of its tread width.

R denotes that ST235/85R16 tire has radial construction.

16 represents the wheel diameter in inches that the tire is designed to fit. ST235/85R16 can be mounted on rims with 16 inches in diameter.

E denotes the load range of a tire. Load Range E is equivalent to a 10-ply rating, but this doesn't mean the tire actually has 10 physical plies. These tires are generally rated for a maximum inflation pressure of 80 psi, and are commonly used on vehicles that carry heavy cargo or tow trailers, such as full-size vans, pickup trucks, and larger SUVs. They are also found on commercial trucks and RVs.

104 indicates the load index. A tire with a load index of 104 can support a maximum load of 1984 pounds or 900 kilograms per tire.

Y indicates the speed rating. A tire with a speed rating of Y is approved for speeds up to 186 miles per hour or 299 kilometers per hour under optimal conditions.

Uniform Tire Quality Grading System (UTQG) rating for Westlake ST100 ST235/85R16 tire is 320 A A.

Tire manufacturer part number (MPN) is TH21343.