Issue link: https://read.dmtmag.com/i/62348
Tire Technologies I 121 Q-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) R-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) S-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) T-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) H-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) V-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) W-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) Y-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) (Y)-Speed Rated Sizes: Maximum Speed (mph) Inflation Increase (psi) Load Capacity (% of max) 100 0.0 100 100 0.0 100 100 0.0 100 100 0.0 100 100 0.0 100 100 0.0 100 118 0.0 100 118 0.0 100 118 0.0 100 106 1.0 100 106 1.0 100 106 1.0 100 106 1.0 100 106 1.0 100 124 1.5 100 124 0.0 100 124 0.0 100 112 2.0 100 112 2.0 100 112 2.0 100 112 2.0 100 130 3.0 100 130 0.0 100 130 0.0 100 118 3.0 100 118 3.0 100 118 3.0 100 136 4.5 100 136 0.0 100 136 0.0 100 124 4.0 100 124 4.0 100 143 6.0 100 143 1.5 100 143 1.5 100 130 5.0 100 130 5.0 100 149 7.5 100 149 3.0 100 149 3.0 100 For speeds above 186 mph (300 km/h), consult your vehicle manufacturer and tire dealer. 136 5.0 97 155 7.5 95 155 4.5 100 155 4.5 100 143 5.0 94 161 7.5 90 161 6.0 100 161 6.0 100 149 5.0 91 168 7.5 85 168 7.5 100 168 7.5 100 174 7.5 95 174 7.5 95 180 7.5 90 180 7.5 90 186 7.5 85 186 7.5 85 Load and inflation must be adjusted for speeds over 100 mph (160 km/h).