The Condura bike tube is a high-quality tube specifically designed for racing bicycles. With a wheel size of 28 inches and an ETRTO tire width of 18 to 25 mm, this tube offers an optimal fit for various tire models, including 700 x 18C, 700 x 20C, 700 x 23C, and 700 x 25C. Made from durable rubber, the tube ensures reliable performance and longevity, while its lightweight of only 99 grams does not compromise the overall performance of the bike. The tube is available in a classic black color, making it compatible with most bike designs. It is sold individually and is ideal for use in competitive cycling, where speed and efficiency are crucial. The Condura bike tube is an essential accessory for anyone who values quality and reliability, and it is a practical component for the maintenance and care of racing bicycles.