OUXI 20 Inch Fat Bicy Inner Tube, 20 x 4.0 Tube, 20 Inch Fat Hose, Suitable Size 20 x 4.0 E-Mountain Bike Bicy Inner Tube, Electric Bicy Inner Tube, AV32 mm Schrader Venti, Pack of 2

20 x 4.0 bicycle tube: compatible bicycle tyres: 20 inch 20 x 4.0, with 32 mm Schrader valve, fits most road and mountain bikes. It is ideal for mountain bikes, road bikes, enduros, electric bicycles High-quality butyl rubber: OUXI 20 x 4.0 bicycle inner tube is made of 100% butyl rubber compound, ideal as a replacement for 20 inch bicycle tyre tubes. It provides a better seal and can hold the air for a long time without the need to re-pump often. Environmentally friendly, non-toxic, non-corrosive and non-hazardous, non-flammable, water-soluble Easy to install: We provide 2 tyre levers and detailed installation steps, you can easily remove your hose from the tyre and install a new hose in minutes. Tip: When you inflate, please do not fill at once, fill a little air, and then adjust the tyre if the tyre can still be active, and then continue to fill until full of air More durable: 20 inch hoses have undergone strict quality and test inspections and are durable. 20 inch bicycle tubes can be used as replacement tubes to avoid the embarrassment of not being able to ride after a hose burst Package includes: 2 x 20 x 4.0 bicycle tubes, 2 x tyre pressors. Note: Please check your tyre size before purchasing. It is easy to read the appropriate tyre size from the side wall of the bicycle tyre