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 Type: Presta 40mm Model: SV17 Approx weight: 170g per tube Price is for 2 tubes
Fits all of the following size tyres:
27 x 1-1/2 (40-609) 700 x 28c (28-622) (28 x 1.10) 700 x 30c (30-622) (28 x 1.20) 700 x 32c (32-622) (28 x 1.25) 700 x 35c (37-622) (28 x 1.40) 700 x 38c (40-622) (28 x 1.50) 700 x 40c (62-622) (28 x 1.60) 700 x 45c (47-622) (28 x 1.75) 27 x 1-1/4 (32-630) 700 x 38B (40-635) (28 x 1-1/2)