Michelin Krylion Carbon Road Tire Carbon-reinforced smooth tread is resistant to micro cuts Thicker center tread increases mileage by 30% over the Pro 2 Race 127 TPI cross-ply carcass for an extra supple ride Bead-to-Bead Puncture Protector protects the entire casing from debris High Protect Rim System protects the tire from rim-bead friction