Contents: Disc Wheel Designations ↓ Tire designations ↓ Letter designation of speed ↓ Date of tire manufacture ↓
Disc Wheel Designations
Example: 6 J x 14 ET38
6 - rim width in inches
J — letter designation of the height and outline of the rim edge
x — letter designation of a solid deep rim
14 — rim seat diameter in inches
ET38 — pressing depth 38 mm
Tire designations
Example:

195 — tire width in mm
/70 — height to width ratio (the height of the tire cross-section is 70% of the width) Unless there is a special indication of the ratio of transverse dimensions (for example, 175 R 14), then we are talking about the normal ratio of height and width, which for radial tires is 82%.
N — speed class, H: up to 210 km/h (new tires no longer have this mark in this place).
R - radial design (radial tire).
14 — rim diameter in inches.
89 — characteristic of permissible load.
Please note: If there is an M+S designation between the numbers 14 and 89, then this is a tire with a winter tread pattern.
N — letter designation of the permissible maximum speed.
The speed designation letter is located at the end of the tire size designation. Speed designation symbols are valid for both summer and winter tires.
Letter designation of speed

Date of tire manufacture
The date of manufacture of the tire is indicated in the manufacturer's code.
(The original information is posted on the resource: VWManual.ru)
Example: DOTCUL2UM8 215 ►TUBELESS
DOT — Departament of Transportation (uS Department of Transportation)
CU — manufacturer's abbreviation
L2 — tire size
UM8 — tire design
215 - production date - 21st week of 1995
O is the symbol for this decade (1990-1999)
TUBELESS — tubeless tire (TUBETYPE — tube tire)

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