Extra Light tubes offer a reduced weight, with the same reliability as the standard version.Item SpecificationsISO Diameter584 / 650b / 27.5"ISO 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 Size27.5 x 2.1 - 2.4Shaft TypeThreadedTube CompoundButylValve CoreRemovableValvePresta Short 32-40mm Schwalbe Extra Light Tube Tubes EAN: 4026495114769