The 455/55R22.5 tire size is a Super Single tire with an extra-wide footprint. Super Singles are designed to take the place of dual rear wheels on heavy trucks, cutting weight and rolling resistance. It’s the type of thing you’ll see on commercial trucks such as dump trucks, box trucks, pickup and delivery route trucks, and other such applications. For commercial tires, the priorities are always going to be dependable wet or dry traction, retreadability, long wear, damage resistance and good load capacity.