The Specialized Standard Tube is ideal tucked into a saddle bag for those sudden punctures. Whether youre a daily commuter or casual rider youll always want a spare on hand for roadside fixes.These Standard Tubes are tough to help prevent punctures and go up nice and firm. Lightweight and sturdy they come in a range of wheel sizes to suit your needs. At 0.8mm thick these tubes have less rotational weight than a standard tube - every little helps.Key Features:Presta valve compatible0.8mm thickMany sizes availableLightweight and sturdy