valve with removable core and is a standard weight for all-around use. Grab some Conti Tour Tubes to keep flats at bay.

featuring a presta valve stem. This tube utilizes a .9mm wall thickness and a factory installed liquid sealant to help seal punctures that may occur during a ride.

Tube with threaded presta valve. This tube features an extra thick 2.1/4.1mm wall for increased puncture resistance compared to a standard tube.

Tube with a Schrader 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 ...

intended for extreme durability in harsh conditions. Heavy-duty 12mm butyl construction provides robust performance.