Schwalbe Tube 20x1 3/8 (37-451) AV7A

Schwalbe's precision-engineered inner tube delivers reliable performance for 20-inch wheels with 37-451 dimensions. The AV7A valve stem provides secure, leak-free connections compatible with standard pumps. Constructed from durable rubber compound, this tube resists punctures and maintains consistent air pressure through varied riding conditions. Ideal for children's bikes and compact wheeled cycles, it ensures smooth, responsive handling. A dependable replacement or upgrade for riders seeking quality components that extend tyre