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Product Description Schwalbe's Air Plus Inner Tube 7 for 20" tyres is characterised by its special puncture resistance and air retention and is therefore also suitable for e-bikes and cargo bikes. This is made possible by a 70% higher wall thickness and a high proportion of pure butyl rubber. Guidelines for Replacing E-bike Components:Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance. Specifications:Application:City, MTB, TouringETRTO:40-406 to 62-406Tyre Dimensions:20 x 2.4Inner Tube Material:butylValve Type:SV / Presta 40 mm, AV / Schrader 40 mmDimensions (ETRTO):20 x 1.50 (40-406)20 x 1.75 (47-406)20 x 2.00 (50-406)20 x 2.10 (54-406)20 x 2.125 (57-406)20 x 2.35 (60-406)20 x 2.40 (62-406)Models:40/62-406 SV / Presta 40 mm Valve Type:SV (Sclaverand/Presta)Valve Length:40 mmType:SV7APManufacturer Number:10461383 40/62-406 AV / Schrader 40 mm Valve Type:AV (Auto / Schrader valve)Valve Length:40 mmType:AV7APManufacturer Number:10461560Valve InformationTubes 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 ValveOuter Diameter:8.5 mm SV / Presta Valve: Synonyms:Sclaverand-Valve (SV), French ValveOuter Diameter:6.5 mmGood to know: The valve of all Schwalbe tubes with Presta valves can be unscrewed, e.g. for valve extensions or for filling with tyre sealant. Technology:Air Plus: Schwalbe's Air Plus tubes hold the air much longer than other tubes due to their high proportion of pure butyl rubber, so that you need to re-pump less often. Puncture Protection: 70% more wall thickness makes the Air Plus inner tubes exceptionally robust against punctures and snake bites. Contents:1 x Schwalbe No. 7AP inner tubes Weight: black | Schrader Valve (AV) | 20x1.5-20x2.4 Schrader 40 mm | 40 mm: 220 g black | Presta Valve (SV) | 20 x 1.5-2.4 Presta 40 mm | 40 mm: 220 g Manufacturer: Ralf Bohle GmbH Otto-Hahn-Str. 1 51580 Reichshof Germany info@schwalbe.com