Schwalbe AV21F 27.5″ 2.1/3.0 AV 40mm 27.5 x 1.5/2.4

All of Schwalbes inner tubes are 100% recyclable and are inflated for 24 hours and tested for leaks at the factory before being shipped. Schwalbe inner tubes all have a very high butyl content and a high material purity.AV21 = SchraderWeight: AV21 - 205g /

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