Schwalbe AV7XS - 20 x 1.00 - Schrader - 40mm

Schwalbe standard bicycle inner tube no. 7XS. For bicycle tires in 20" inch (ETRTO 23→25-451). Retains air for an above-average length of time. Thanks to the best material quality and uniform wall thickness. Maximum reliability that has proven itself millions of times over.