Trailer Life Meter 714 for 15" Wheel (ST225/75R15)

The key to selecting the correct Trailer Life Meter based on your application is to determine the outside diameter of your tire.

Outside Tire Diameter: 28.3"-28.75"

Rolling Circumference: 88.9"-90.3"

Typical Tire Sizes: ST225/75R15

Typical Wheel Size: 15"