- 20 inch tube for children´s bicycle
- Airproofing by the use of butyl rubber
-.100% quality control, each AUTHOR tube is individually examined at the factory to ensue air-tightness.
- maximum air pressure stability
- high breakdown protection
- Schrader Valve ( AV ) 32 mm
- incl. valve cap
- 20 x 1,50 - 2,20
- ETRTO 32 / 57-406
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