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.
Fits Brompton wheels, 28mm-37mm tyres – Highest quality inner tube for Brompton we know of!
Applicable Tyre Sizes:
37-340 – 16 x 1 3/8 – 400 x 35a
28-349 – 16 x 1 1/8
37-349 – 16 x 1 3/8
28-355 – 18 x 1 1/8
35-355 – 18 x 1.35









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