Specification BikeType : Compatible with This Size Range of Bicycle Tire Brand : YunSCM BulletPoint1 : SIZE:32mm Schrader (Regular valves). Fits 20" x 1.75"/2.125'' tire tube BulletPoint2 : High Quality: The bike tube is made from premium butyl rubber.It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation BulletPoint3 : Easy Installation: Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Save time and effort, replace the old tube in a few minutes BulletPoint4 : Important Note: When changing a bicycle inner tube,be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tire to the rim on both sides BulletPoint5 : Comfortable and Safe: After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe BulletPoint6 : Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects. Color : black CompatibleTireWidthMaximum : 2.5 inches CompatibleTireWidthMinimum : 1.8 inches ExternallyAssignedProductIdentifier1 : 716852452392 ExternallyAssignedProductIdentifier2 : 0716852452392 GpsrSafetyAttestation : 1 ImportDesignation : Made in China IncludedComponents : 1-pc 20x1.75/2.125 AV32mm Schrader Valve bike tube ItemName : 1-PC 20" Bike Tube 20x1.75/1.95/2.125 AV Schrader Valve 20" Bicycle Tube Compatible with Kid/BMX/Road/Mountain Bike Bicycle Tire Tube ItemPackageDimensions_Height : 9.4996 centimeters ItemPackageDimensions_Length : 5.207 centimeters ItemPackageDimensions_Width : 7.7978 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-tubes ItemWidth : 2.15 inches Manufacturer : YunSCM Material : Butyl Rubber ModelName : 20x1.75/2.125 ModelNumber : 20x1.75/2.125 NumberOfItems : 1 PackageLevel : unit PartNumber : GGG041 ProductDescription : Package Includes: 1-pc 20x1.75/2.125 AV Schrader Valve bike tube ProductSiteLaunchDate : 2020-02-27T14:32:50.681Z Size : 20x1.75/2.125 Style : 27.5" / 29" X 1.8-2.5 Inch (Pack of 1) SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 25172500 ValveLength : 42 millimeters ValveType : Schrader WarrantyDescription : 180 days