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FIAT 600 User Manual

Page 130

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129

TECHNICAL SPECIFICATIONS

Example: 5 1/2 B x 13 H2

5 1/2 = rim width in inches (1)

B

= rim drop centre outline

(side projection where the
tyre bead rests) (2)

13

= rim nominal diameter in

inches (corresponds to di-
ameter of the tyre to be
mounted) (3 = Ø)

H2

= “hump” shape and number

(relief on the circumfer-
ence holding the tubeless
tyre bead on the rim)

UNDERSTANDING RIM
MARKINGS

The following are the necessary in-

dications to understand the meaning
of the markings on the rim.

Maximum speed rating
Q

= up to 160 km/h.

R

= up to 170 km/h.

S

= up to 180 km/h.

T

= up to 190 km/h.

U

= up to 200 km/h.

H

= up to 210 km/h.

V

= up to 240 km/h.

Maximum speed rating
for snow tyres
Q M+S
= up to 160 km/h
T M+S = up to 190 km/h
H M+S = up to 210 km/h

Example: 165/55 R 13 70 H

165 = Nominal width (S, distance

between side walls in mm).

55 = Height/width ratio (H/S, as a

percentage).

R

= Radial tyre.

13 = Rim nominal diameter in

inches (Ø).

70 = Load rating (carrying capacity).
H

= Maximum speed rating.

fig. 5

P3P01062

UNDERSTANDING TYRE
MARKINGS

The following are the necessary in-

dications to understand the meaning
of the markings on the tyre.

124-136 Seicento GB 22-11-2007 10:51 Pagina 129