Schwalbe standard bicycle inner tube no. 12. For bicycle tires in sizes 26"/27.5" inch (ETRTO 30/47-559/597). Retains air longer than average, thanks to the best material quality and uniform wall thickness. Maximum reliability, proven millions of times over. Schwalbe standard bicycle inner tube no. 12 is suitable for bicycle tires in size 26" inch (ETRTO 47-559, 47-571, 30→47-584, 32→44-590, 32-597). Retains air longer than average, thanks to the best material quality and uniform wall thickness. Maximum reliability, proven millions of times over.Schwalbe Article number: 740495 EAN code: 4026495931380 Supplier number: 10463053 Retail packaging: Yes