The Q-Tubes Standard Line Schrader Valve tubes feature QBP’s widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability.
| Weight | 235 |
| Valve | Long Schrader |
| ISO Diameter | 622 / Road / 29″ |
| ISO Width | 50 |
| ISO Width | 51 |
| ISO Width | 52 |
| ISO Width | 53 |
| ISO Width | 54 |
| Labeled Size | 29 x 1.9-2.3 |
| Tube Compound | Butyl |
| Valve Core | Removable |
| Wall Thickess | .9 |
| Shaft Type | Smooth |
