Product Description Technical Information:Application:Fat BikeTyre Dimensions:29 x 2.5" to 29 x 3.0"ETRTO:100-622Valve:SV / PrestaRim Compatibility:Large Marge, Rolling DarrylOther:removable valveModels:29x3.0 SV / Presta Compatibility: 29x2.5 to 29x3.0 tyre dimensionsValve: PrestaManufacturer Number: TU0005Information - Valves:Tubes are available with various valve types. Choosing a valve is dependent on application and the rim's valve hole diameter. AV / Schrader Valve: - Synonyms: Auto Valve (AV), Schrader Valve Outer Diameter: 8.5 mm DV / Dunlop Valve: - Synonyms: Blitz Valve, Normal Valve (NV) Outer Diameter: 8.5 mm SV / Presta Valve: Synonyms: Sclaverand Valve (SV), French Valve, Presta ValveOuter Diameter: 6.5 mmTube Thickness: 0.8mmPressure (max.): 15 barsContents:1 x Surly butyl inner tube Weight: universal | Presta Valve (SV) | 35-622 to 45-622 | 29x3.0 Presta | 36 mm: 390 g Manufacturer: Surly 6400 W 105th St Bloomington MN 55438 USA derby@surlybikes.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de