General - AmeriTrac
The AmeriTrac is a premium all-season tire providing outstanding comfort, noise performance and safety for today's SUV and Light Truck enthusiast.
225mm * 60% = 135mm Or... 135mm / 25.4 = 5.3"
Passenger tires are given a "Service Description" to describe the tire's capabilities.
A service description has two components:
Common sidewall abbreviations and they're definitions: