Product Description OEM Packaging:This item comes from the original equipment manufacturer and is lacking the retail packaging.Specifications:Application:RoadETRTO:20-622 to 25-630Tyre Dimensions:700 x 20C to 700 x 25CInner Tube Material:butylValve Type:SV / Presta 42 mm, SV / Presta 60 mmModels:20-25 x 622-630 SV / Presta 42 mm Valve Type:SV (Sclaverand/Presta)Valve Length:42 mm 20-25 x 622-630 SV / Presta 60 mm Valve Type:SV (Sclaverand/Presta)Valve Length:60 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 mmOther: all Continental tubes with a Presta valve can be unscrewed. (To lengthen the valve, add anti-flat agents, etc.)Contents:50 x Continental Race 28 inner tubes - OEM packaging Weight: universal | 20-622 to 25-630 | Presta Valve (SV) | 20-25 x 622-630 Presta 42 mm | 42 mm: 105 g Manufacturer: Continental Reifen Deutschland GmbH Continental-Plaza 1 30175 Hannover Germany info@conti.de