315 mm (the nominal cross-section width).
Aspect Ratio: 80% (height is 80% of the width).
Construction: Radial (R).
Rim Diameter: 22.5 inches.
Ply Rating: Typically 20PR (20-ply rating) for high load-bearing strength.
Features
Engineered to support heavy loads—typically rated around 4,000 kg (single) / 3,550 kg (dual) maximum load.
Durable Tread Compound: Specialized rubber mixtures resist irregular wear, cuts, and abrasions on regional and long-haul routes.
Heat Dissipation: Open shoulder or optimized groove designs help lower operating temperatures during extended highway runs.
All-Steel Radial Build: Enhances casing strength for retreadability and extended mileage in commercial fleet operations.
