Schwalbe AV21AP Air Plus

"The Schwalbe AIR PLUS bicycle inner tube Nr. 21AP is the ideal choice for anyone looking for a reliable and durable tube for their 27.5" Inch bicycle tires are. Thanks to its increased wall thickness, this inner tube retains air significantly longer than conventional models, which means that it needs to be inflated less often. This feature makes it particularly low-maintenance and ensures a more comfortable riding experience."
"Another outstanding feature of the Schwalbe AIR PLUS is its above-average puncture protection. The robust construction minimizes the risk of punctures and thus offers additional safety on your rides. Whether you are riding on urban roads or challenging trails, this inner tube offers you the reliability you need."
"With an ETRTO-Gru00f6u00dfen of 40/62-584, the tube is compatible with a wide range of bicycle tires, making it a versatile option for all cyclists. Trust the quality of Schwalbe and enjoy longer rides without constant interruptions due to air loss or punctures."