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 | 98 |
| Valve | Presta Short 32-40mm |
| ISO Diameter | 400/18″ |
| ISO Width | 32 |
| ISO Width | 33 |
| ISO Width | 34 |
| ISO Width | 35 |
| ISO Width | 36 |
| ISO Width | 37 |
| Labeled Size | 18 x 1-3/8 |
| Tube Compound | Butyl |
| Valve Core | Removable |
| Wall Thickess | .9 |
| Shaft Type | Threaded |
