- 28 inch tube for roadbike
- 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
- Presta Valve ( SV ) 48 mm
- incl. valve cap
- 28 x 3/4 - 1,0
- ETRTO 18 / 25-622
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