275/35ZR21 Bridgestone Potenza Sport 103(Y)From morning commutes to long weekends, the 275 35ZR21 Bridgestone Potenza Sport 103(Y) is built to make every mile count. The POTENZA SPORT from Bridgestone focuses on stability, road feel, and everyday ease of use. Its Blackwall sidewall adds a clean look while helping protect against bumps and scrapes from daily use. The tread pattern is tuned to maintain traction on dry pavement, manage water in the wet, and stay composed in light snow. Designed