Marking of the tire

Every tire has its own identity card on the sidewalls that is useful if you know how to decrypt it. These markings provide information on the technical characteristics of tires and their performance.

Marking of the tire

Wear indicator


Symbol indicates the position of the wear indicator. On Michelin tires, the Michelin Man figure shows where these indicators are located.

Wear indicator

Tubeless


Tire without inner tube.

Tubeless

Load index


This indicates the maximum weight that each tire is able to support.

In this example, the load index is 96, which corresponds to 710 kg. N.B: The letter C or the words "Reinf" (Reinforced) or "Extra Load" specified after the dimensions mean that the load index is higher.

Load index
Load index Weight in kg
20 80
22 85
24 85
26 90
28 100
30 106
31 109
33 115
35 121
37 128
40 136
41 145
42 150
44 160
46 170
47 175
48 180
50 190
51 195
52 200
53 206
54 213
55 218
58 236
59 243
60 250
61 257
62 265
63 272
64 280
65 290
66 300
67 307
68 315
69 325
70 335
71 345
72 355
73 365
74 375
75 387
76 400
77 412
78 425
79 437
80 450
81 462
82 475
83 487
84 500
85 515
86 530
87 545
88 560
89 580
90 600
91 615
92 630
93 650
94 670
95 690
96 710
97 730
98 750
99 775
100 800
101 825
102 850
103 875
104 900
105 925
106 950
107 975
108 1000
109 1030
110 1060
111 1090
112 1120
113 1150
114 1180
115 1215
116 1250
117 1285
118 1320
119 1360
120 1400

Speed index


Indicates the maximum speed at which the tire can run continuosly. In this example, the V index is for speeds of up to 240 km/h.

Speed index
Speed index Maximum speed km/h
Q 160
R 170
S 180
T 190
U 200
H 210
VR >210
V 240
ZR >240
W 270
Y 300

Width - Serie - Structure - Internal diametre


Width

Width of the tire (in millimeters).

Width

Serie

Report in % between the height of the sidewall and the width of the tire. In this example, 35 indicates that the height of the sidewalls is 35% of the width.

Serie

Structure

R = radiale structure.

Structure

Internal diametre

Inner diameter: the diameter of the tire in inches (1 inch = 2.54cm). This is the diameter of the wheel rim.

Internal diametre

Name of the tire range


Pilot Alpin

Name of the tire range.

Name of the tire range

Code DOT (Department Of Transportation)


AA BB CCCC DDDD

AA
Code of the production plant.
BB
Dimension code managed by manufacturer.
CCCC
Optional code that all manufacturers are authorised to manage according to their own rules.
DDDD
Week and year of production.
Code DOT

Outside


The external sidewall.

Outside

M+S - 3 PMSF


M+S

(Mud+Snow). shows that it is a snow tire, although performance in winter conditions has not been tested.

3 PMSF

3 Peaks Mountain Snow Flake. Shows that the tire has been designed for snowy road conditions and its performance has been confirmed through testing.

M+S - 3 PMSF

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