Specialized Standard 27.5"/650b 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.
Tube with a threaded, removable 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 ...
