The 12-inch balance bike inner tube is designed to fit snugly on wheels of this size. It measures 12 1/2 x 2 1/4 (57-203) for a good fit on the rim. Angled valves allow for easy installation and quick disassembly, while Schrader valves ensure reliable and convenient use. This inner tube is a reliable choice for children's balance bikes for daily or occasional use.
