Schwalbe DV7

"The Schwalbe standard inner tube Nr. 7 is the perfect choice for anyone looking for a reliable and durable tube for their 20-inchbikes. With an ETRTO-Gru00f6u00dfe of 40/62-406/428, this inner tube fits a wide range of tire widths and diameters. The outstanding material qualityu00e4u00e4u00e4 and the uniform wall thickness ensure that the inner tube holds air longer than many other models on the marketu00e4. These features make the DV7 an ideal companion for extended bike tours and everyday use."
"The proven reliability of the Schwalbe inner tube has been tried and tested millions of times and makes it a popular choice among cyclists worldwide. The inner tube is easy to fit and impresses with its durability and resistance. Whether for the daily commute to work or for demanding leisure ridesu2013 with the Schwalbe DV7 you are always on the safe sideu2013."