Continental inner tube with presta valve, also called French valve, is quite common in France. It has the advantage of being easier to pump and of mounting on all rims, even those designed for Schrader valves. In addition, it has a springless nut closure allowing a good seal, to the point that some professionals consider that the plastic cap is unnecessary.

Supersonic est une Chambre à air extrêmement légère conçue pour l'entraînement. Il est plus fin et donc sensible aux objets pointus. Poids: 50 grammes.

The MTB Light Continental inner tube convinces with its low weight and low rolling resistance. However, the reduced wall thickness of up to 0.45mm also increases the risk of a puncture compared to Standard and Hermetic Plus tubes. Also, lightweight bike tubes need to be inflated more frequently.