UTQG: 460AA, SPEED RATING: W, CLASS: XL, Bridgestone made the innovate DriveGuard Run Flat touring tire to give you the comfort and ride quality youd expect from a great touring tire, along with the added bonus of run-flat capability. This tire boasts a silica enriched compound and all-season design for great traction on wet and dry roads. It delivers this versatile traction for a long time, using an optimized contact footprint to evenly distribute weight across the tread surface for long and even wear. And to help you during an emergency situation, the tire has a Nano-Pro Tech rubber insert allowing you to temporarily drive on a flat tire. This insert is smaller than normal to maintain touring-tire ride quality, and its paired with propriety cooling fins that dissipate heat for further support. For a tire you can count on, choose the Bridgestone DriveGuard Run Flat touring tire.