The Q-Tubes Standard Line Presta 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 | 325 |
| Valve | Presta Short 32-40mm |
| ISO Diameter | 584 / 650b / 27.5″ |
| ISO Width | 70 |
| ISO Width | 71 |
| ISO Width | 72 |
| ISO Width | 73 |
| ISO Width | 74 |
| ISO Width | 75 |
| ISO Width | 76 |
| ISO Width | 77 |
| ISO Width | 78 |
| ISO Width | 79 |
| ISO Width | 80 |
| ISO Width | 81 |
| ISO Width | 82 |
| ISO Width | 83 |
| Labeled Size | 27.5 x 2.8-3.2 |
| Tube Compound | Butyl |
| Valve Core | Removable |
| Wall Thickess | .9 |
| Shaft Type | Threaded |
