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We have received several queries over the past few months about Vittoria cotton tubulars that’s seemingly lose pressure over a 24hr period. If this loss of air pressure is occurring with any Vittoria tubular that has a LATEX tube inside then YES this is all ok.
THIS IS NOT A FAULT. The reason is as follows: Latex tubes are made from natural rubber and hence they are porous and they will slowly allow air to leak through the tube sidewall. The level of air loss over a 24hr period can vary depending on various reasons, ambient temperature, original pressure are some variables that impact the rate of air loss.
So why use latex tubes: Simply because they offer the best performance of all tubes:
So, is it worth the trouble of pumping your tires every day?
If you want a tubular for general training or entry level racing then try the Rubino Pro tubular or the Rally, both cotton casings but with a butyl tube.