245/45R18 Bridgestone Potenza Sport As 100WFrom morning commutes to long weekends, the 245 45R18 Bridgestone Potenza Sport As 100W is built to make every mile count. Built by Bridgestone, the POTENZA SPORT AS emphasizes balance: grip when you need it and comfort when you want it. With a Blackwall sidewall, the tire maintains a sleek profile and dependable toughness. The tread pattern is tuned to maintain traction on dry pavement, manage water in the wet, and stay composed in light snow.