Schwalbe Air Plus Tube - 20 x 1.5 - 2.4 40mm Schrader Valve. Air Plus tubes feature an increased wall thickness to help prevent punctures and pinch flats while maintaining air pressure better when compared to a standard tube.
| ISO Diameter | 406 / 20" BMX |
| ISO Width (mm) | 38 |
| ISO Width (mm) | 39 |
| ISO Width (mm) | 40 |
| ISO Width (mm) | 41 |
| ISO Width (mm) | 42 |
| ISO Width (mm) | 43 |
| ISO Width (mm) | 44 |
| ISO Width (mm) | 45 |
| ISO Width (mm) | 46 |
| ISO Width (mm) | 47 |
| ISO Width (mm) | 48 |
| ISO Width (mm) | 49 |
| ISO Width (mm) | 50 |
| ISO Width (mm) | 51 |
| ISO Width (mm) | 52 |
| ISO Width (mm) | 53 |
| ISO Width (mm) | 54 |
| ISO Width (mm) | 55 |
| ISO Width (mm) | 56 |
| ISO Width (mm) | 57 |
| ISO Width (mm) | 58 |
| ISO Width (mm) | 59 |
| ISO Width (mm) | 60 |
| ISO Width (mm) | 61 |
| Labeled Size | 20 x 1.50 - 2.4 |
| Shaft Type | Threaded |
| Tube Compound | Butyl |
| Valve | Schrader |
| Valve Core | Removable |
