Replace your old 700x18-23 bike inner tube with this great 700x18-23 Bicycle Inner Tube with 48mm Presta Valve from Sunlite. Inner tubes are the most commonly replaced bike parts, and these excellent Sunlite inner tubes will get you rolling along. Let Monster Scooter Parts be your source for the latest bicycle inner tubes from Sunlite with this 700x18-23 Bicycle Inner Tube with 48mm Presta Valve.

Note: When inflating a bike tube, please use your best judgment. The recommended PSI for an inner tube can vary depending on elevation and air pressure, and should not be taken as absolute.

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