Continental Tires now 25% Off and Ships Free. The extensive longitudinal and on the side tread grooves on Continental Tires Conti4x4Contact series provide it with reliable shield against aquaplaning. With the counterbalance tread blocks, Conti4x4Contact tires will improve your truck’s stability and traction. Conti4x4Contact Continental Tires also come with wide center grooves to ensure you enjoy a quiet and comfortable ride. Your steering response will improve with the new series of performance tires. The additional sipes on these all-round tires make them the best tires for on-road and off-road excursions.