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![](https://www.tomorrowsbike.be/1676-large_default/inner-tube-schwalbe-av6-20-narrow-28-32-35-37-40-406.jpg)
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The Schwalbe AV6 Inner Tube in a 20" size with narrow ETRTO sizes 28/32/35/37/40-406 is designed for reliable performance and durability. This inner tube is suitable for various bicycles with 20-inch wheels and narrow tires, ensuring a smooth and safe ride. Choose the Schwalbe AV6 inner tube for quality and peace of mind on your rides.