Continental Road Race Tire Bundle Description: Get the ultimate speed package from Continental. Up front, the 26mm Aero 111 optimizes aerodynamics with 48 precision-formed, vortex-generating cavities. In the rear, the 28mm Grand Prix S TR provides the best balance of rolling resistance and reliability. For speed-focused races such as time trials, criteriums, and smooth road races, you can't beat this combo Features: A great tire combo for fast racing 26mm Aero 111 front paired with 28mm Grand Prix 5000 S TR rear Tubeless Ready carcass is lighter, faster, and stronger than the previous model for all-around better performance Spider silk-like Vectran puncture protection has an enormous tear resistance at a very low weight Handmade in Germany Specifications: Tire Type: Tubeless (Clincher) Bead: Folding Compound | Casing: BlackChili/Vectran TPI (Threads Per Inch): 2/220TPI Puncture Protection: - Inflation: - Color: Black