Schwalbe AV1 Inner Tube 12-12 1/2 x 1.75-2.1/4 (47/62-203)

Schwalbe AV6 inner tube engineered for 20-inch wheels with 1 1/8" tyre compatibility (28/40-406 ETRTO). Durable butyl rubber construction delivers reliable puncture resistance and long-lasting performance. The auto-seal valve design simplifies inflation and maintenance. Ideal for children's bikes, compact folders, and lightweight commuters seeking dependable tube performance. Fits standard 20-inch wheel sizes with compatible tyre widths.