Schwalbe tubes are designed & manufactured to retain air pressure considerably longer than their competitors. Not only is each individual tube inflated & inserted into a mould to ensure that there is even wall thickness & excellent air retention, they are also stored under pressure for 24hrs to test air retention. Valve length of 40mm for Standard version. Weight 90g.
Applicable Tyre Sizes:
20-590 – 26 x 3/4 – 650 x 20a
25-590 – 26 x 1.00 – 650 x 25a
25-584 – 650b x 25b
28-584 – 650b x 28b









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