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Inner tubes, valves and bicycle inserts

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Schwalbe 622x18C-28C inner tube, Presta valve

The inner tube is mainly made of butyl rubber . Butyl is a very elastic and airtight type of synthetic rubber. As with tires, additional admixtures are needed to create the rubber compound. The quality of the tube can vary significantly depending on the composition of the rubber. For example, Schwalbe tubes have extremely high air stability and flexibility . This high elasticity makes it possible to cover a wide range of different tire sizes.
New product with warranty
Price: 4.49 € 9.99 € -10%
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