Replacement tire tubes for Trionic models

Schwalbe tubes are the recommended replacement for Trionic Veloped and Walker models because they hold the pressure considerably longer than conventional tubes, thanks to the purity of the rubber compound.

• 14-inch dimension with car valve (Schraeder / AV).
• Dimension inch: 14 x 2.125"
• Dimension mm: 47/63 - 254 (min width/max width - rim diameter)