UTQG: 360AA, SPEED RATING: H, CLASS: SL, The Dunlop Grandtrek ST30 is a M&S rated tire with an all weather tread design that helps deliver year-round traction and enhanced wet handling. Asymmetric tread pattern helps provide a balance of wet and dry performance. Circumferential tread grooves help pump water away from the footprint for excellent wet traction. Multi-Pitch tread design helps reduce noise for a quiet ride and jointless Band Technology helps maintain the tire shape, enabling smooth performance at highway speeds. Black serrated sidewall and raised black letter design give it a stylish edge.