Vittoria latex tube in 29 inches.

Very light and flexible tube from Italian Vittoria, which provides lower rolling resistance.

With 48 mm presta valve.

29 x 1.70-2.30 ".

Latex is the type of rubber that is best suited for bicycle hoses as they are lighter (which is especially important in the rotating weight) and more flexible than other types of rubber e.g. silicone and butyl, which are both harder types of rubber, especially silicone hoses.