Schwalbe SV19 40mm Presta Tube, 27.5 x 1.5-2.4

Schwalbe Standard tube Item 19. For bicylce tires in 27.5"/28"/29" inch (ETRTO 40/62-584/635). Retains air pressure considerably long. Due to the best material quality and constant wall thickness. Highest reliability. Proven millions of times.