SCHWALBE bicycle tube '#7' for 406 to 428mm ETRTO-size & 40 to 62mm tire width

Reliability & air pressure stability are the hallmarks of this 20" tubes.

This item is no longer being offered by the manufacturer
  • keeps the air longer
  • reliable

Product information & technical details

Material: Rubber
Valve type: scrader valve, Presta valve, Dunlop valve


  • Universal bicycle tube, suitable for all bicycle tire and rims, which are designed for the same size
  • Schwalbe tubes retain air longer than decided no-name products
  • Schwalbe sets high standards and requirements for its products, so for their tubes too. They are inflated at the factory and stored for 32 hours under pressure to check tightness