Trailer Life Meter 637 for 16" Wheel (ST235/85R16)

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: 31.7" to 32.25"

Rolling Circumference: 99.6" to 101.3"

Typical Tire Sizes:

Typical Wheel Sizes: