Sale includes 2 tubes!Continental Light series inner tube for mountain 29'er and cross wheels. Compatible with 29" x 1.75-2.5" mountain tires as well as 700x47c cross tires. Features a 60mm Presta valve for aero rims and a removable valve core for the use of tire sealant.Features:Seamless and mold cured constructionRemovable valve coreDurable butyl rubberSpecs:Size: 29" 1.75-2.5" / 700x47cISO Diameter: 622 / 29"Valve: 60mm PrestaValve Core: RemovableValve Shaft: ThreadedTube Compound: Butyl RubberWeight: 225 grams per tube