Specification BikeType : Fat Bike BikeType1 : Gravel Bike BikeType2 : Mountain Bike Brand : corki BulletPoint1 : Designed specifically for fat tire bikes, these 20-inch inner tubes come in 3.0, 4.0, and 3.5-4.0-inch width options. Whether you're tackling sand dunes, plowing through snow, navigating gravel, or exploring rugged trails, they deliver a snug fit and reliable performance for worry-free off-road adventures." BulletPoint2 : Premium Butyl Rubber: Corki Cycles 20x3.5 20x4.0 bicycle tubes are crafted from premium butyl rubber, these tubes offer excellent air retention, shock absorption, and resistance to punctures, heat, and wear. This means fewer air leaks and longer-lasting performance, so you can ride worry-free. BulletPoint3 : 32mm Schrader Valve: Designed with a 32mm Standard Schrader valve, these inner tubes are easy to inflate using standard bike pumps. The durable valve ensures a tight seal, preventing leaks and making maintenance quick and simple. BulletPoint4 : Reliable for All Riding Conditions: Built tough to handle city streets, mountain trails, and long-distance rides, these inner tubes provide a stable and comfortable riding experience. Perfect for commuters, off-road enthusiasts, and fat tire bike riders looking for dependable performance. BulletPoint5 : Easy Insllation: Each set comes with three sturdy tire levers, making tire changes faster and easier. The ergonomic design helps you remove and replace tubes with minimal effort, saving you time and frustration. BulletPoint6 : Gallon size includes a pump for easy installation in all your tube tires. Great for shop use or home garages with multiple bikes. BulletPoint7 : Effective under the most extreme temperatures: Low freezing point of -35˚F (-37˚C) and a high separation point of 182˚F (82˚C) BulletPoint8 : Dispenses approximately 1 oz per pump Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 4931253030659 ExternallyAssignedProductIdentifier1 : 716281505973 ExternallyAssignedProductIdentifier2 : 703570511241 ExternallyAssignedProductIdentifier3 : 0716281505973 ExternallyAssignedProductIdentifier4 : 0703570511241 ExternallyAssignedProductIdentifier5 : 00716281505973 FabricType : Rubber FitType : Universal GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents : Bike Tire Levers IsExpirationDatedProduct : 1 ItemDisplayDimensions_Length : 7.5 inches ItemDisplayDimensions_Width : 45 millimeters ItemDisplayWeight : 9.13 pounds ItemName : Corki Cycles 20 Inch Fat Bike Tire Inner Tube 20 x 3.5 4.0 with 32mm Schrader Valve Heavy Duty Butyl Rubber for E-Bikes BMX Folding Bicycles - 2 Pack ItemPackageDimensions_Height : 18.1102 centimeters ItemPackageDimensions_Length : 10.6934 centimeters ItemPackageDimensions_Width : 12.3952 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-tubes ItemWidth : 4.5 centimeters Manufacturer : Corki Cycles Material : Butyl Rubber ModelName : 20-2P-3.5-4.0 ModelNumber : 2346EHW02VRFG2 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : 2346EHW02VRFG2 Pattern : Sealant ProductDescription : Crafted with 100% pure butyl rubber, Corki Cycles 20 inch inner tubes deliver superior elasticity and oxidation resistance. Valve: 32mm Schrader Valve fits ALL standard rim holes Coverage: 20" wheels with 3.0-4.0" tire widths (check sidewall markings) Applications: Mountain trails, city commuting, BMX parks, snow sand rides ProductSiteLaunchDate : 2025-03-13T08:59:20.237Z Size : 20''x3.5/4.0 - AV32mm StreetDate : 2023-08-01T00:00:01Z Style : Modern SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 25172500 ValveLength : 32 millimeters ValveType : Schrader WarrantyDescription : NoWarningApplicable WarrantyType : Limited