Hankook F19 Tires are Now 25% Off Plus Free Shipping! Hankook F19 tires have a bold tread design that provides excellent driving stability. Asymmetric groove angles reduce groove cracks to a minimum. Uneven abrasion is diminished by the insertion of kerf on the shoulder area. Four straight grooves channel water for superior traction. Hankook F19 commercial trailer tires offer outstanding lateral stability and long tread-life on regional and line-haul applications. The tread has symmetric groove angles, which contribute to the tires long tread-life. Even wear is accomplished by the placement of sipes on the shoulder area, while superior wet weather traction is accomplished by the four straight grooves that channel water out from under the tire. The Hankook F19 tire has sizes with a 14-ply construction for high load carrying capacity and extra heat resistance in the event of over-loading.