Manual: 2011/2012 Cayman

Page: 223

E – Maximum Load rating
The maximum load in kilograms and pounds can be carried by the tire. If you replace tires always use a tire that has the same maximum load rating as the factory installed tire.

F – Radial
The identification indicates if the tire has radial structure.

G – Term of tubeless or tube tire
Identification for tubeless tires.

Speed code letter
The speed code letter indicates the maximum permissible speed for the tire.
This code letter is shown on the tire sidewall.

T = up to 118 mph (190 km/h)
H = up to 131 mph (210 km/h)
V = up to 150 mph (240 km/h)
W = up to 167 mph (270 km/h)
Y = up to 186 mph (300 km/h)
(Y)= up to 186 mph (300 km/h) as for Y tires. Speeds of more than 300 km/h (186 mph) are also possible at a maximum tire load capacity of 85 % (confirmation from tire manufacturer required for speeds of more than 186 mph (300 km/h)).

Tip on driving
Tires with a maximum speed rating that is lower than the specified maximum vehicle speed may be mounted only if they bear an M+S identification on the tire sidewall.

  • Please note that in addition to the winter tires, all-season and all-terrain tires are also subject to speed limits and bear this identification.

Inscription on light alloy wheels

Maintenance note

  • Protect the valve inserts against soiling with valve caps.
    Use only plastic valve caps.
    Soiled valve inserts can cause a gradual loss of air.

Note on operation

  • The rim width in inches A and the rim offset F are visible from the outside.
    The information is inscribed on the back of the spokes near the tire valve.

A - Rim width in inches
B - Rim-flange contour code letter
C - Symbol for drop-center rim
D - Rim diameter in inches
E - Double hump
F - Rim offset in mm