Continental's Grand Prix is a superb tire known for its extremely long wear, superb grip in the corners, and puncture resistance. It's Conti's classic clincher that's suitable for your everyday training wheels as well as your race wheels.
PolyX Breaker puncture protection brings Contintental's know-how of automobile tires into the bicycle market. Polyester fibers are woven tightly underneath the tread, and the resulting high fabric density helps resist flat tires. In addition, the rolling resistance is not adversely affected.
Size: 650 x 23c