Schwalbe Standard Tube - 26 x 1 - 1.5/650 x 23mm 40mm Schrader Valve. Standard tubes hold air considerably longer due to the purity of the rubber compound and the uniform wall thickness.
| ISO Diameter | 559 / 26" MTN |
| ISO Width (mm) | 25 |
| ISO Width (mm) | 26 |
| ISO Width (mm) | 27 |
| ISO Width (mm) | 28 |
| ISO Width (mm) | 29 |
| ISO Width (mm) | 30 |
| ISO Width (mm) | 31 |
| ISO Width (mm) | 32 |
| ISO Width (mm) | 33 |
| ISO Width (mm) | 34 |
| ISO Width (mm) | 35 |
| ISO Width (mm) | 36 |
| ISO Width (mm) | 37 |
| ISO Width (mm) | 38 |
| Labeled Size | 26 x 1-1.5 / 650 x 23 |
| Shaft Type | Threaded |
| Tube Compound | Butyl |
| Valve | Schrader |
| Valve Core | Removable |
