![](https://www.tomorrowsbike.be/1677-large_default/inner-tube-schwalbe-hv-dv7a-20-narrow-37-438-28-37-440-28-37-451.jpg)
![](https://www.tomorrowsbike.be/1677-large_default/inner-tube-schwalbe-hv-dv7a-20-narrow-37-438-28-37-440-28-37-451.jpg)
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The Schwalbe HV/DV7A Inner Tube in a 20" size with narrow sizes 37-438, 28/37-440, 28/37-451 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 HV/DV7A inner tube for quality and peace of mind on your rides.