Unitube system allows greater compatibility with more tire sizes and less tubes. All tubes have a seamless construction, with vulcanization, to ensure uniform roundness. This bike inner tube features a removable valve core for easy sealant refill and inflation.
tubes are constructed of durable, seamless Butyl tubes with renowned Conttnental quality rubber and inspected to ensure high quality and reliability. Every tube passes a stringent quality control inspection. For 700 - 42mm PRESTA valves have removable cores.
MX Seven Continental Bicycle Inner Tubes Pack of 02. Continental bicycle tubes are constructed of durable, seamless butyl rubber and are 100% inspected to ensure high quality and reliability. Seamless, and vulcanized to ensure uniform roundness and improved reliability at the valve stem. Every tube passes a stringent 100% quality control inspection. Valves with removable cores.