Product Description Specifications:Application:Cross Country, City & TouringETRTO:50-622 - 60-622Tyre Dimensions:29 x 1.9 - 2.35"Inner Tube Material:butylValve Type:SV / Presta 36 mm, SV / Presta 48 mmModels:29 x 1.9-2.35 SV / Presta 36 mm Valve Type:SV (Sclaverand/Presta)Valve Length:36 mmManufacturer Number:2368 29 x 1.9-2.35 SV / Presta 48 mm Valve Type:SV (Sclaverand/Presta)Valve Length:48 mmManufacturer Number:2369Features:0.80 mm wall thicknessInformation - Valves:Tubes are available with various valve types. Choosing a valve depends on the application and the rim's valve hole diameter. SV / Presta Valve: Synonyms: Sclaverand Valve (SV), French Valve, Presta ValveOuter Diameter: 6.5 mmContents:1 x Manufacturer: Maxxis International 545 Old Peachtree Rd NW Suwanee GA 30024 USA info@maxxis.de Distributor: bikemarketing BMG GmbH Provinostr. 52 86153 Augsburg Germany contact@maxxistires.de