Bell 12 In. Premium Quality Rubber Bicycle Tube a fully molded, one-piece construction designed for durability and reliability. Made from top-quality butyl rubber, this tube ensures a long-lasting performance for your bicycle. It features a Schrader valve for easy inflation and fits tire widths ranging from 1.75" to 2.25" with a tire diameter of 12-1/2". Packaged individually in a box, this premium tube is an excellent choice for maintaining your bike’s optimal functionality and ride comfort. Model Number: 7064256