Schwalbe AV9

"The Schwalbe AV9 standard inner tube is the ideal choice for bikes with 24" Inch tires (ETRTO 28/47-507/541). This inner tube is characterized by its above-average airtightness, which is due to the excellent material quality and the uniform wall thicknessu00e4u00e4u00e4. These properties not only ensure a high level of reliability, but also a long service life that has proven itself in millions of applications."
"The uniform wall thickness of the Schwalbe inner tube helps to ensure that the air pressure remains constant, resulting in a comfortable and safe ride. Whether for the daily commute to work or for extended bike tours, this inner tube offers the necessary safety and reliability."