Pressure tested, high quality tube from Schwalbe.

With regular/dunlop valve of 40 mm.

DV 10

Fit these tires among others:

40-507	24 x 1,50"
47-507	24 x 1,75"
50-507	24 x 2,00"
54-507	24 x 2,10"
57-507	24 x 2,25"
60-507	24 x 2,35"
62-507	24 x 2,50"