Schwalbe DV4 Woods Tube - 400a/16"/18" Tyres - 37-340 28-349 to 37-349 & 28-355 to 35-355

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, same spec as OE Brompton tube.

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