The Continental ContiRoad Sport Touring Tires are German engineered to the highest-quality standards, delivering improved, agile handling on highways and country roads. Modern tread compound, inspired by ContiRoadAttack 3 technology. Non-tangent profile grooves at the central tread of the rear tire to extend life. Silica-technology for improved wet performance that guarantees high micro-interlocking on asphalt. Tread design with extra-large positive proportion for higher mechanical grip. 190/55-17, Rear, Radial, (75W)