Schwalbe AV1S - 45deg 12 x 1.25-1.50 - 40mm

Schwalbe standard bicycle inner tube no. 1S. For bicycle tires in 12" inch (ETRTO 32→40-203). 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.