Schwalbe SV21 Inner Tube

SV21 27.5″ Inner Tubes 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. SV = Presta Weight: SV21 – 205g / SV21F – 200g