Cooper Tires Starfire RS-C 2.0 Tire Size:225/60-161 Wheel Diameter:16 Enhanced Steering Response: Central circumferential rib provides directional stability and rapid steering response. Comfort & Low Noise: 5 pitch variation finely tuned and based on latest technologies. Frequency modulated tread blocks specifically designed to give a quiet ride. Safety: 4 wide straight grooves achieve larger groove ratio providing excellent water drainage. Mileage: The RS-C 2.0 uses a tread compound optimized for wet grip and low roll resistance. This greatly improves overall performance, durability and mileage. Wearability: Tread compound features high wearability characteristics; pressure distribution software is adopted to ensure even contact pressure distribution. Endurance Performance: Tread structure with CAP/BASE compound and high performance polyester cord as well as the design characteristics ensures excellent tyre endurance. Comfort: Highly efficient noise-reduction and vibration absorption rib is embedded in the inside of shoulder blocks to reduce road noise and ensures quiet driving.