TUBE-4.00X18

HEIDENAU (hidden-now) INNER TUBE 3.25/3.50/4.00/4.10 X 18

34G (TR6) metal stem

Suitable for the following sizes:

3.25, 3.50, 4.00, 4.10, 4.60

90/100, 100/90, 110/90, 110/80, 120/80, 110/70, 120/70, 130/70, 130/60

Heidenau uses a high natural rubber compound that makes for an elastic durable tube you can depend on.

Asian economy tubes are already breaking down. The stinkier the rubber the lower the quality.