Wheels and Tyres Guide - General Information

Identification markings on the tyre sidewall, standard tyres

~1min read

Example: Continental ContiPremiumContact 2

Identification markings on the tyre sidewall, standard tyres
1 - Size code

e.g. 205/55 R 16 → Anchor

2 - Position of TWIs (Tread Wear Indicators)
3 - Manufacturer (trade name)
4 - Construction

Radial - radial cord direction in carcass

Tubeless - code for tubeless tyres

5 - Load capacity index / speed rating

e.g. 91 → Anchor

e.g. H → Anchor

6 - Specified direction of rotation/installation for tyre
7 - Maximum permissible load

Data for North America

8 - Maximum permissible tyre pressure

Data for North America

9 - Number of plies in the centre of the tread and in the sidewalls as well as information about the material
10 - E number = Approval number

Tyre fulfils European guidelines

11 - Manufacturer code / date of manufacture

Identification number for manufacturer's plant, tyre size and tyre model

Tyre ageing / date of manufacture → Chapter

12 - DOT - Department of Transportation
Tyre fulfils standards of the Department of Transportation of the United States of America
13 - Identifier for Brazil, INMETRO
14 - Identifier for China, CCC
15 - Country of origin

e.g. manufactured in Germany (Made in Germany)

16 - Safety notes for use or fitting of tyre
17 - Relative expected service life - abrasion resistance

based on a US standard test

18 - Rating of wet-braking traction, A, B or C

According to a US test

19 - Rating of temperature resistance, A, B or C

According to a US test

20 - Identifying tyres with run-flat properties

e.g. self-supporting run-flat

Identifying tyres with run-flat properties → Chapter

21 - Tread pattern

e.g. ContiPremiumContact

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