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Dunlop valve (Blitz valve)

The Dunlop valve , also known as a Blitz valve , is a true classic and particularly widespread in Europe. It is frequently used on traditional bicycles, city bikes, and older models.

The Dunlop valve is named after the British inventor John Boyd Dunlop. He is best known for developing the pneumatic tire – an innovation that revolutionized cycling comfort. Although the valve itself has undergone technical improvements, it has remained closely associated with his name.

Structure and Function

The Dunlop valve works with a simple rubber tube or insert inside that holds the air pressure. To inflate, the valve cap is unscrewed – there is no valve pin like on a Schrader valve.

Advantages of the Dunlop valve

  • Very simple design: Easy to maintain and inexpensive

  • Fast inflation: Less resistance when pumping

  • Widely used: Especially in Germany, standard on many bicycles

  • Disadvantages

    • Lower pressure stability: Air can escape more quickly.

    • Less precise pressure measurement: Exact PSI/bar values are harder to determine.

    • Not suitable for high pressures

    • Typical areas of application

      The Dunlop valve is commonly found in:

      The Dunlop valve impresses with its simplicity and tradition . It is perfectly adequate for everyday use in the city – especially for drivers who prefer a straightforward solution.

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Schrader valve (car valve)

Published: March 23, 2026  |  Updated: March 23, 2026