Schwalbe tubes are designed & manufactured to retain air pressure considerably longer than their competitors. Not only is each individual tube inflated & inserted into a mold to ensure that there is even wall thickness & excellent air retention, they are also stored under pressure for 24hrs to test air retention.

Applicable Tyre Sizes:
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