245/45R18 Bridgestone Potenza Sport A/S UHP All Season 100W XL Passenger TireBridgestone Potenza Sport A S 245 45R18 100W XL OVERVIEW The Bridgestone Potenza Sport A S tire is proof that you don't have to give up year round traction and long tread life to get summer tire UHP levels of performance. The Potenza Sport A S is made with Bridgestone's PeakLife polymer, and an enhanced tread formulation for a 50,000 mile tread life. All season traction comes from full depth 3D sipes, circumferential grooves, and open shoulders, and