Schwalbe Air Plus AV Tube 7L-AP (20") 20 × 2.1–2.75

Schwalbe AIR PLUS bicycle inner tube no. 7L-AP. For bicycle tires in the size 20" inch (ETRTO 54→70-406). Holds the air even longer thanks to wall thickness even longer. Less frequent re-inflation necessary. Also protects above-average protection against punctures.