This high-quality bicycle tube is designed to fit your 24 inch bike perfectly. It is made with heavy-duty materials to ensure that it lasts long. The tube is 30% thicker than standard tubes, providing added durability and resistance to punctures. It is designed to fit tire sizes ranging from 1.75 to 2.125 inches and features a Dunlop valve with a length of 32mm. The tube is made of rubber material and comes in a sleek black color. This product is sold as a single item, making it easy to replace just one tube without having to purchase a whole set.