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The speed symbol refers to the maximum speed capabilities of the tire. It is only valid for tires that are properly inflated and loaded within their assigned load index.

Speed according to speed symbol *1 mph(mile/h) = 1.6093 km/h
Speed rating
Code km/h mph Code km/h mph
A1 5 3 L 120 75
A2 10 6 M 130 81
A3 15 9 N 140 87
A4 20 12 P 150 94
A5 25 16 Q 160 99
A6 30 19 R 170 106
A7 35 22 S 180 112
A8 40 25 T 190 118
B 50 31 U 200 124
C 60 37 H 210 130
D 65 40 V 240 149
E 70 43 Z over 240 over 149
F 80 50 W 270 168
G 90 56 (W) over 270 over 168
J 100 62 Y 300 186
K 110 68 (Y) over 300 over 186
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