Product Description Specifications:Application:City, GravelETRTO: 33-622 to 46-622 Tyre Dimensions:28 x 1.3 to 28 x 1.8"Inner Tube Material:butylValve Type:SV / Presta 48 mm, AV / Schrader 48 mmFeatures:city and gravel inner tube with integrated sealantspecial design for more puncture protection and easy mountingexcellent airtightnessvalve with Removable Valve CoreValve 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:33-46 x 622 SV / Presta 48 mm Valve Type:SV (Sclaverand/Presta)Valve Length:48 mmManufacturer Number:783836 33-46 x 622 AV / Schrader 48 mm Valve Type:AV (Auto / Schrader valve)Valve Length:48 mmManufacturer Number:930836Contents:1 x Weight: universal | 33-622 to 46-622 | Presta Valve (SV) | 33-46 x 622 SV 48 mm | 48 mm: 250 g Manufacturer: Michelin Reifenwerke AG &Co. KGaA The Squaire 17 – Am Flughafen 60549 Frankfurt am Main Germany info@michelin.com