Schwalbe SV9

"The Schwalbe Standard bicycle inner tube Nr. 9 is the ideal choice for all those who rely on maximum reliability and durability. This inner tube was specially developed for bicycle tires in the size 24" Inch (ETRTO 28/47-507/541) and impresses with its above-average airtightness. Thanks to the excellent material quality and the uniform wall thickness, the air stays in the tube for longer, which means less maintenance and more riding pleasure."
"Schwalbe is known for its proven quality, which has been tried and tested millions of times over. The SV9 hose not only offers an excellent fit, but also the advantage that it holds the air longer than many other hoses on the market. This not only saves time, but also the effort of constantly checking and adjusting the tire pressure."
"With the Schwalbe Standard inner tube Nr. 9, you are relying on a product that impresses with its reliability and durability. Whether you commute to work every day or enjoy long tours at the weekend, this inner tube ensures that you can concentrate on the essentials u2013 ridingu2013."