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Product Description Schwalbe's Air Plus Inner Tube 19 is characterised by its special puncture resistance and air retention and is therefore also suitable for e-bikes and cargo bikes with 28" or 29" wheels. 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:40-622 to 62-622Tyre Dimensions:28 x 1.5 to 28 x 2.4Inner Tube Material:butylValve Type:SV / Presta 40 mm, AV / Schrader 40 mmDimensions (ETRTO):28 x 1.50 = 700 x 38C (40-622)28 x 1.75 = 29 x 1.75 (47-622)28 x 2.00 = 29 x 2.00 (50-622)28 x 2.25 = 29 x 2.25 (57-622)28 x 2.40 = 29 x 2.40 (62-622)Models:28x1.5-2.4 SV / Presta 40 mm Valve Type:SV (Sclaverand/Presta)Valve Length:40 mmType:SV19APManufacturer Number:10461433 28-29 x 1.5-2.4 AV / Schrader 40 mm Valve Type:AV (Auto / Schrader valve)Valve Length:40 mmType:AV19APManufacturer Number:10461610Valve 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 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. AV / Schrader Valve: Synonyms: Auto Valve (AV), Schrader ValveOuter Diameter: 8.5 mmTechnology: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. 19AP inner tubes Weight: black | Schrader Valve (AV) | 40-622 to 62-622 | 28-29 x 1.5-2.4 AV 40 mm | 40 mm: 320 g black | Presta Valve (SV) | 40-622 to 60-622 | 28-29 x 1,5-2,4 Presta 40 mm | 40 mm: 320 g Manufacturer: Ralf Bohle GmbH Otto-Hahn-Str. 1 51580 Reichshof Germany info@schwalbe.com