315/80R22.5 All steel radial truck tyreFour decoupling grooves to equalize weight distribution reducing irregular wear. Excellent in anti-side-skid, low rolling resistance, low noise and drainage. Steer and Trailer Position, suitable for highway and good road use.Size: 315/80R22.5315: Indicates the tire width in millimeters.80: Aspect ratio, which means the height of the tire sidewall is 80% of the tire's width.R: Radial construction.22.5: Rim diameter in inches.Construction: All-steel radial construction. This means the tire's internal structure includes steel belts, providing enhanced durability and strength suitable for heavy-duty trucks.