Tubo interno per sedia a rotelle Schwalbe SV9A - 24 x 1,00 - Valvola Presta 42 mm
They believe there are two reasons for this success. Schwalbe SV14 Extralight Inner Tube - 26 x 1.50/2.35 - 40mm Presta Valve. Presta valve. Schwalbe AV21 Inner Tube - 27.5 x 1.50/2.40 - 40mm Schrader Valve.