General description Continental's high-quality butyl tube features a removable valve core, making it ideal for touring, commuting, and gravel riding. 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 performance. Technical specifications Size: 700x32-47C Valve type: Schrader 40mm Material: Butyl Features: Seamless, mold-cured, removable valve core Other information Hermetic Plus options contain a higher butyl amount and wall thickness for better air retention and improved puncture resistance.