Street tyres Innovative Radial structure with two plies at 75 degrees, bound by a longitudinal zero degree crown ply.This compliant casing promotes comfort, consistent handling under varying loads, and durability.Versatile rubber mix with 100 percent silica reinforcing fillers, providing the ideal compromise between grip and mileage. The silica fillers replace the conventional carbon black fillers normally used to bind the rubber molecules. These silica bonds are more elastic than carbon, reducing internal friction an.