Schwalbe SV21A Extra Light

"The Schwalbe EXTRA LIGHT inner tube Nr. 21A is the ideal choice for anyone who values lower weight without compromising on reliability. Specially developed for 27.5 inch bicycle tires (ETRTO 40/62-584), this inner tube offers the perfect balance between lightness and durability. Whether on long tours or in everyday use, the EXTRA LIGHT inner tube ensures a comfortable ride and reduces the rotating mass of the bike, which contributes to improved performanceu00e4gt."
"This tube is particularly suitable for mountain bikers and sporty cyclists who want to get the best out of their bike. Schwalbe's proven quality guarantees that the inner tube remains reliable even under demanding conditions. Thanks to the use of high-quality materials and advanced manufacturing techniques, the EXTRA LIGHT inner tube is not only lighter, but also resistant to punctures and wear."