Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay.
Schrader valves are identical to those found on car tires. These valves are generally used on hybrid and children's bikes. Presta valves, which are found on most road and off-road bikes, are longer and thinner and feature a threaded tip, which must be opened to inflate (turn counterclockwise).