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 85g.
Applicable Tyre Sizes:
37-340 - 16 x 1 3/8 - 400 x 35a
28-349 - 16 x 1.10
35-349 - 16 x 1.35 BROMPTON
37-349 - 16 x 1.40
28-355 - 18 x 1.10
35-355 - 18 x 1.35