Technische informatie

What is standing on the side of a tyre?

The sidewall of a tyre contains a wealth of information about the construction and characteristics of a tyre. Below we explained the meaning on the different parts of the tyre.

  1. Tyre size
    215 = tyre width in mm
    /45 = height/width ratio in %
    R    = radial construction
    17   = bead- or rim diameter in inches
    91   = load index
    V     = speed index
    XL  = code to indicate that the tyre is stronger than other tyres in the same size. The symbol replaces the indication ‘reinforced’.
  2. Factory or brand name
  3. Pattern or tyre type
  4. Radial tyre
  5. Tubeless version
  6. M+S (mud and snow). In addition to M+S, many tyres carry the snowflake symbol (but this is not mandatory).
  7. Date of manufacture (41st week 2008)
  8. E-certificate number
  9. Country of origin
  10. DOT (Department of Transport)
  11. DOT-factory code
  12. Specification of maximum tyre pressure and tyre load (valid in USA)
  13. Indication of the actual number of layers and used materials
  14. TWI (Tread Wear Indicators). Indication of the position of the wear indicators

Source: VACO