Schwalbe inner tubes all have a very high butyl content and a high material purity. Presta Valve. AV15 700c Inner Tubes. SV15C 700c Tubes.
Schwalbe SV15 700 x 25c Presta Valve Inner Tubes 40mm Valve x 1
Schwalbe SV15 700 x 23c Presta Valve Inner Tubes x 2
Schwalbe SV17 700 x 35c Presta Valve Inner Tubes x 2
Schwalbe SV17 700 x 35c Presta Valve Inner Tubes x 1
SCHWALBE SV15 700 x 28c Presta Inner Tube 60mm X-Long Valve + FREE TYRE LEVER
700 X 40C Presta Valve Inner Tubes - Pair (ETRTO 622-40)