The 1 BELL Bicycle Inner Tube is designed specifically for kids bikes and BMX with a 16-inch wheel size and a tube size ranging from 1.75 to 2.25 inches. Made of durable rubber, this inner tube features a Schrader valve for easy inflation and a valve length of 32mm. The black color and compact size make it suitable for children's bikes, providing a reliable and safe option for young cyclists. This high-quality Bell inner tube is a must-have for maintaining proper tire pressure and ensuring smooth rides.