featuring a 35mm Schrader valve stem and an .89mm wall thickness.

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 ...

a value-oriented replacement for butyl tubes found equipped on standard mountain bike and cruiser/hybrid bicycles.

the best performing, self-sealing bicycle tubes available on the market. That's because they feature Specialized's powerful Airlock sealant that coats the tube for permanent protection against punctures. Not only this, but the ...

that sees them riding wherever the wind takes them. Most of the time, however, it takes them straight through thorns and debris, leaving you with the unenviable task of changing out flat ...