Air Plus tubes feature an increased wall thickness to help prevent punctures and pinch flats, while maintaining air pressure better when compared to a standard tube.Item SpecificationsISO Diameter622 / Road / 29"ISO Width (mm)38ISO Width (mm)39ISO Width (mm)40ISO Width (mm)41ISO Width (mm)42ISO Width (mm)43ISO Width (mm)44ISO Width (mm)45ISO Width (mm)46ISO Width (mm)47ISO Width (mm)48ISO Width (mm)49ISO Width (mm)50ISO Width (mm)51ISO Width (mm)52ISO Width (mm)53ISO Width (mm)54ISO Width (mm)55ISO Width (mm)56ISO Width (mm)57ISO Width (mm)58ISO Width (mm)59ISO Width (mm)60ISO Width (mm)61Labeled Size29 x 1.5 - 2.4Shaft TypeThreadedTube CompoundButylValve CoreRemovableValvePresta Short 32-40mm Schwalbe Air Plus Tube Tubes EAN: 4026495871754