The all-new AMP Terrain Pro A/T delivers a longer tread life and withstands demanding environments. With deep, multi-function tread grooves it provides enhanced traction in a wide variety of conditions while delivering a smooth and controlled ride. A broad selection of sizing and a 60,000 mile warranty drive the Terrain Pro A/T to be the leader of the pack. Tire Outer Diameter: 35.1 Tire Section Width: 12.8 Tire Rim Size: 20 Tire Metric Width: 325 Tire Metric Ratio: 60 MODEL NO - 295-6520AMP/CA2