Schwalbe inner tubes perform! Schwalbe bicycle inner tubes are renowned for quality. Once vulcanized, all Schwalbe bicycle inner tubes are inflated and stored for 24 hours in order to test for air pressure retention. Afterward each, individual tube undergoes a careful visual inspection. This special quality control helps prevent unpleasant surprises. More Stretch Less Flats! Schwalbe bicycle inner tubes have high elasticity which means one inner tube can be used for many tire sizes which vouch for the tube's quality. All the Schrader and Presta valve styles are nickel-plated and threaded and valve inserts are easily replaceable.
