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 | 225 |
| Valve | Presta Med 41-55mm |
| ISO Diameter | 584 / 650b / 27.5″ |
| ISO Width | 52 |
| ISO Width | 53 |
| ISO Width | 54 |
| ISO Width | 55 |
| ISO Width | 56 |
| ISO Width | 57 |
| ISO Width | 58 |
| Labeled Size | 27.5 x 52/58 |
| Tube Compound | Butyl |
| Valve Core | Removable |
| Wall Thickess | .9 |
| Shaft Type | Threaded |
