Tube which fit tires with a width of 28-37 and 489-501 in diameter

Fit also 22" x 1 3/8" and the wheel chair size25-489.

​Dunlop valve

DV8

37-489	22 x 1 3/8
28-490		550 x 28A
37-490	22 x 1 3/8	550 x 35A
37-501	22 x 1 3/8