General description Continental's MTB Tube is a high-quality butyl tube designed for regular use, featuring a removable valve core. It is seamless and mold-cured (vulcanized) to ensure uniform roundness and enhanced reliability at the valve stem. Each tube undergoes a stringent 100% quality control inspection to guarantee performance. Technical specifications Size: 29 x 1.75-2.5 inches Valve type: Presta Valve length: 60 mm