Example of more text

Sep 28, 2020

How to Interpret Trailer Tire Size Information

Have you ever wondered how to interpret the tire size numbers. They might look something like ST205/75R14.

Letters like us ST in front of the first number are the type of tire.

ST = Special Trailer used for trailers, boats etc. P = Passenger Car LT = Light Truck No Letter is a European Tire

Tire Width

Tire Width is the width of the tire. So for us ST205/75R14 the 205 is the tire with in millimeters.

Aspect Ratio

Tire Aspect Ratio calculates the side wall height of tires. For ST205/75R14 the 75 means the sidewall height is 75% of the width. 205 mm x 0.75 = 153.75 mm tall.

Radial

The R means it’s a radial tire

Wheel Diameter

The last number stands for wheel diameter. In ST205/75R14, the 14 means a 14" wheel.