Product Description Specifications:Application:City, GravelETRTO:33-559 to 46-559Tyre Dimensions:26 x 1.3 to 26 x 1.8"Inner Tube Material:butylValve Type:SV / Presta 48 mm, AV / Schrader 48 mmValve InformationTubes are available with various valve types. Choosing a valve is dependent on application and the rim's valve hole diameter. SV / Presta Valve: Synonyms: Sclaverand Valve (SV), French Valve, Presta ValveOuter Diameter: 6.5 mm AV / Schrader Valve: Synonyms: Auto Valve (AV), Schrader ValveOuter Diameter: 8.5 mmModels:26 x 1.3-1.8 SV / Presta 48 mm Valve Type:SV (Sclaverand/Presta)Valve Length:48 mmManufacturer Number:264535 26 x 1.3-1.8 AV / Schrader 48 mm Valve Type:AV (Auto / Schrader valve)Valve Length:48 mmManufacturer Number:037829Contents:1 x Weight: universal | 33-559 to 46-559 | Schrader Valve (AV) | 26 x 1.3-1.8 AV 48 mm | 48 mm: 196 g universal | 33-559 to 46-559 | Presta Valve (SV) | 26 x 1.3-1.8 SV 48 mm | 48 mm: 192 g Manufacturer: Michelin Reifenwerke AG &Co. KGaA The Squaire 17 – Am Flughafen 60549 Frankfurt am Main Germany info@michelin.com