Schwalbe AV7A Schrader Tube - 20" Tyres - 37-438, 28-440 to 37-440 & 28-451 to 37-451

Details

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 105g.

Applicable Tyre Sizes:

37-438 - 20 x 1 3/8

28-440 - 500 x 28a

37-440 - 500 x 35a

28-451 - 20 x 1 1/8

37-451 - 20 x 1 3/8

Specification

Size20 InchLength40Weight101