The basic Vredestein road tube is your standard issue training tube that will give you both durability and reiliability when riding. Quality construction with medium width wall thickness brings the tube at the 100 gram mark.
The diameter of the tube is 700x20-25mm which will fit any road tire. Vredestien give you three valve length options to choose from. They may be purchased in 35mm, 60mm and 80mm depending on your rim profile. A 35mm valve fits most standard rims while the 60mm fits semi aero rims profiles. The 80mm fits deeper rims like the Zipp 404/Enve 45 carbon clinchers. These valves are threaded but have a removable core which can be replaced if damaged or substituted with a longer valve extenders.