General purpose butyl inner tubes for everyday use. Standard inner tubes are made with high quality synthetic rubber with a wall thickness of 0.9 mm. Standard tubes offer good puncture resistance and a solid airtight performance in every instance.

• 24×1.95/2.125″ 42mm Schrader valve 178g
• 24×1.95/2.125″ 42mm FV Presta valve 175g

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