Schwalbe AV21

"The Schwalbe Standard bicycle inner tube Nr. 21 is the ideal choice for anyone looking for a reliable and durable tube for their 27.5" Inch bicycle tires are. With an ETRTO-Gru00f6u00dfe of 40/62-584, it fits perfectly on numerous bike models. Schwalbe is known for its outstanding material quality and the uniform wall thickness, which ensures that the inner tube holds the air for an above-average length of time. These properties make the AV21 a proven companion on millions of bikes worldwide"
"Thanks to its high reliability, this inner tube not only offers excellent performance, but also a long service life. The uniform wall thickness minimizes the risk of punctures and ensures consistent performance, whether on the road or off-road. Trust in the quality of Schwalbe and enjoy carefree rides without the hassle of pumping afterwards."