Schwalbe tubes are designed & manufactured to retain air pressure considerably longer than their competitors. Not only is each individual tube inflated & inserted into a mold to ensure that there is even wall thickness & excellent air retention, they are also stored under pressure for 24hrs to test air retention.

Applicable Tyre Sizes

• 18-622 - 700 x 18c - 28 x 3/4
• 20-622 - 700 x 20c - 28 x 3/4
• 22-622 - 700 x 22c - 28 x 7/8
• 23-622 - 700 x 23c - 28 x 7/8
• 25-622 - 700 x 25c - 28 x 1.00
• 22-630 - 27 x 7/8
• 25-630 - 27 x 1.00