The Challenge 700c Corsa Latex Inner Tube provides ...
a smooth and balanced ride with no bump near the valve so it sits neatly inside the tire and distributes its weight evenly. Latex inner tubes are lighter, thinner, and more flexible ...
Tube with a Presta Valve Stem and 2.1/4.1 Wall Thickness. The thicker wall thickness helps to keep those pesky thorns and other sharp foreign objects from poking a hole in the riding ...
Specialized Standard 26" Inner Tubes with Presta valves ...
feature a molded method of construction that ensures a consistent thickness of butyl rubber. This means that they don't have any unnecessary weight and will roll smooth, ride after ride.