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The Continental Cross Tube 28" S42 RE is a reliable inner tube designed for 28-inch wheels, making it an excellent choice for cyclocross, gravel, and versatile road or trekking bikes that use this common wheel size. Built by Continental, a brand trusted by riders worldwide, this tube is engineered for durability and consistent air retention, helping you spend more time riding and less time dealing with flats. The S42 designation refers to the 42 mm Presta valve, a popular length that works well with most modern rims and makes inflation straightforward with standard bike pumps.
This tube is ideal for riders who want a dependable spare for training, commuting, or mixed-terrain adventures. Its construction is designed to offer a good balance between puncture resistance, flexibility, and low rolling resistance, supporting a smooth and predictable ride feel. Whether you are fitting it into cyclocross tires for muddy races, gravel tires for long off-road explorations, or all-round 28-inch tires for everyday use, the Continental Cross Tube 28" S42 RE provides a solid, worry-free foundation. Keep one in your saddle bag or workshop so you are always prepared for the unexpected.
