General description Continental MTB Tube is a high-quality butyl tube designed for regular use, featuring a removable valve core. Each tube is seamless and mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem. Every tube undergoes a stringent 100% quality control inspection to guarantee its performance. Technical specifications Size: 29 x 1.75 - 2.5 inches Valve type: Schrader Valve length: 40 mm