Schwalbe AV 21 Tube with Schreader Valve
A tube is not just a tube.
Airtightness. Schwalbe tubes retain air pressure considerably longer. The quality and the material purity of the rubber mixture directly effects the quality of the tube. Each Schwalbe tube is individually inflated and inserted into a mold. This ensures the even wall thickness and excellent air retention. Reliability. Consistent quality control brings with it the security of use: Each tube is inflated at the factory and stored under pressure for 24 hours in order to test the air retention.
Fits the following tire sizes:
40-584 27.5 x 1.5047-584 27.5 x 1.7550-584 27.5 x 2.0054-584 27.5 x 2.1057-584 27.5 x 2.2560-584 27.5 x 2.3562-584 27.5 x 2.40
Specifications are subject to change without notice. We are doing our best to provide accurate and up to date product information and product images on our site but we cannot guarantee their absolute accuracy. Please contact the Store if in doubt.