26" tube from Schwalbe with Sclaverand valve (SV).

40-559 26 x 1.50
47-559 26 x 1.75
50-559 26 x 2.00
54-559 26 x 2.10
57-559 26 x 2.25
60-559 26 x 2.35
62-559 26 x 2.50

Weight: 190 g

40 mm Sclaverand valve