Continental Conti HDR 5 The Continental Conti HDR 5 is a highway terrain, all season tire made for commercial vehicles. This model is designed to be mounted on drive axle positions. The ribbed tread pattern and the all season compound boost the model's all season performance and hydroplaning resistance. The strengthened internal structure and the special silica compound keep the ideal tire shape under load and driving pressure. The Continental Conti HDR 5 offers great service life and usability, thanks to the strengthened structure and the special silica compound. Features Durability – The ribbed tread pattern and the special silica compound boost the model's heavy-duty performance. Tread life – The optimized tread elements and the rubber compound lengthen the tire's service life and usability. All season tire – The ideal tread design and the all season compound offer excellent dry, wet, and winter-weather traction.