Camera d'aria Continental 700x20-25 Valvola Presta 80 mm

The Standard tube (in the categories Race, Tour and MTB), available in all dimensions is the best choice for everyday cycling. Light & Supersonic varieties give racers the option of lower rotating weight, therefore increasing speed. The lightweight tubes have a lower thickness and so it is imperative that inflation pressures are maintained to prevent the risk of pinch flats. For worry free cycling, the Hermetic Plus tube is recommended. Its improved formula is lighter and more compact, which renders it very puncture resistant in the presence of higher butyl amounts and greater wall thickness. Since it retains air longer, it’s a favourite among bicycle rental agencies. The Freeride and Downhill tubes are especially strong and bulky. Their extra wall thickness effectively protects against punctures. Robusta struttura