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Most tyre sidewalls are covered with words and symbols, the most
obvious being the manufacturers name and the tyre model.
The
most important information however, is the width/aspect ratio,
structure, diameter, weight and speed marking.
We'll use 185/60 R14 82 V as an example here.
185
= the WIDTH of the tyre section in millimetres
60 = ASPECT ratio percentage between the height
and width of the tyre section
R = the structure of tyre (R = radial)
14 = internal diameter inches of the wheel RIM on
which the tyre will be fitted
82 = load bearing capacity i.e. the maximum weight the
tyre is certified to carry
V = SPEED rating i.e. maximum speed at which the
tyre can be used
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Load
bearing index
|
Speed
codes |
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Index
164
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110
112
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KG
280
300
315
335
355
375
400
425
450
475
500
530
560
600
630
670
710
750
800
850
900
950
1.000
1.060
1.120
|
Symbol
L
M
N
P
Q
R
S
T
H
V
ZR
W
Y
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mph
75 120
81 130
87 140
93 150
99 160
106 170
112 180
118 190
131 210
149 240
over 149
168
186
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kmh
120
130
140
150
160
170
180
190
210
240
over 240
270
300
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Bank Street, Golborne,
Warrington, WA3-3SN
Tel.. 01942-271110
or 0800-294-0060
Fax. 01942-273124
Mon.- Fri. 8.30am to 5.00 pm.
Sat. 9.00 am to 12.00 Noon
Sun. CLOSED
For
MAP Click Here
Member Federation Self Employed
and Small Businesses since 1996
FSB
Web Site
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