Continental Grand Prix Force Road Tire - Rear REAR TIRE ONLY- This is only the rear Force tire, not the full set. TUBULAR TIREPOSITIONING- Continental and Pro Teams developed the first Compression Tubular Tire Positioning system featuring better power transmission, increased comfort, lower rolling resistance and higher mileage. BLACK CHILI- Features Continentals revolutionary Black Chili Compound which reduces rolling resistance by 26% improves grip by 30% and adds 5% more mileage out of your tire. VECTRAN PROTECTION- Reinforcing and matrix fibers made of Vectran are 5X as strong as steel yet still extremely lightweight and abrasion resistant, protecting your tire from punctures more effectively than two layers of Nylon. HANDMADE IN GERMANY-Continental has been hand making their tires since 1871, maintaining the integrity of tradition, while evolving with the most advanced technology.