Michelin Intermediate radial slick utilized for dry surfaces in an ambient air temperatures of 65-90 degrees F. Recommended for utilization at operating tire temperatures of 195-230 degrees F. Designed to operate at pressures from 30 to 32 PSI hot with the recommended cold pressure of 22 PSI (as a starting point which can be fine-tuned to your cars set-up and driving style). Recommended usage for GT2 rear applications. Aprox. weight: 28 lbs. Recommended wheel size: 13.0x18.