Specification BikeType : Compatible with This Size Range of Bicycle Tires Brand : YunSCM BulletPoint1 : Heavy Duty inner tube: 26"x3.5"/4.0" AV32mm (89/102-559) Heavy duty bicycle replacement inner tube, these inner tubes are ideal for a wide range of applications. Enhanced the ductility of the heavy load tire, so that the scope of application is expanded, Compatible with 26x3.5 26x3.6 26x3.7 26x3.8 26x3.9 26x4.0 fat tires BulletPoint2 : Easy To USE: The Self Sealing Bike Inner Tube is a self-repair for some small holes or very fine cracks.For example, after a long time, some places will leak air quietly,accidentally hit nails and other problems, which are easy to repair.It is worth noting that our self-repairing inner tube can be used within the normal temperature environment and cold days -15 ℃,and it is more conducive to travel in cold weather BulletPoint3 : Safe Bike Tires: Pre-installed with Sealant to provide maximum puncture protection and prevent flat tires on your bike.The self-repairing inner tube is a thicker design, which is more durable than the normal inner tower.The bicycle inner tube rolls through the tire repair liquid to automatically fill the punctured area.After testing, the leak can be repaired within 5~8 seconds under normal conditions BulletPoint4 : Excellent shock absorption ability: The heavy, strong, highly durable butyl rubber made from these inner tubes is a perfect shock absorber to reduce vibration and eliminate the shock caused by bumps and rough surfaces on the road or pavement. Heavy Duty butyl rubber for maximum ride comfort - upgrade your ride experience BulletPoint5 : HEAVY DUTY - Air Tightness: Using high elasticity and high quality butyl rubber and EPDM rubber, the thickness is increased by 40%, and the air tightness of the inner tube is increased by 200% than that of the ordinary butyl inner tube; After inflation, the tire can maintain a higher air pressure for 6-9 months, greatly reducing the inflation frequency. Good air tightness helps keep tire pressure stable, thus improving driving safety. BulletPoint6 : HEAVY DUTY- Ultra Durable: Our heavy duty inner tubes have higher puncture resistance than ordinary inner tubes, and the thicker body can withstand more friction and wear, thus extending the service life of the tube, reducing replacement frequency and maintenance costs. And in long-term use. BulletPoint7 : Please note: Because the Self Sealing fluid is flowing, in order to prevent the liquid from flowing out during operation, please do not concentrate the center of gravity or the liquid near the air nozzle when pumping up BulletPoint8 : Installation: 26"x3.5"/4.0" bicycle heavy duty replacement inner tube for easy installation and removal. Check the valve position to ensure that the installation direction is correct BulletPoint9 : This heavy duty inner tube is compatible with the corresponding models of mountain bikes, road bikes, Cruiser bikes, electric bikes; At the same time, the increase in thickness can meet the needs of the longer driving range and load of the prevailing electric bicycles. Color : black CompatibleTireWidthMaximum : 4 inches CompatibleTireWidthMinimum : 3.5 inches ExternallyAssignedProductIdentifier1 : 750139075478 ExternallyAssignedProductIdentifier2 : 0750139075478 GpsrSafetyAttestation : 1 ImportDesignation : Made in China IncludedComponents : Rubber ItemDisplayDimensions_Height : 2.7 inches ItemDisplayDimensions_Length : 3.9 inches ItemDisplayDimensions_Width : 2.4 inches ItemDisplayWeight : 0.3 pounds ItemName : 2-PCS 26x4.0 Self-Sealing E-Bike Tubes 26 x 3.5/4.0 AV32mm Super Automatic Repair, Puncture Resistant Compatible with 26x4 26 x 3.5 Heavy Duty Electric Bicycle Fat Tire Tubes Schrader Valve ItemPackageDimensions_Height : 28.2 centimeters ItemPackageDimensions_Length : 8.8 centimeters ItemPackageDimensions_Width : 15.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-tubes ItemWidth : 3.5 inches Manufacturer : YunSCM Material : Butyl Rubber ModelName : 26x3.5/4.0 ModelNumber : 26x3.5/4.0 NumberOfItems : 1 PackageLevel : unit PartNumber : YunSCM2020112402 ProductDescription : Package Includes: 2 pcs 26x2.5/3.0 AV32mm Schrader Valve heavy duty bike tubes. ProductSiteLaunchDate : 2020-11-26T08:03:38.369Z Size : 26x3.5/4.0 SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 25172500 ValveLength : 0.787 inches ValveType : Schrader WarrantyDescription : 180 days