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.
| Labeled Size | 20 x 2.8-3.0 |
| Valve Core | Removable |
| Shaft Type | Threaded |
| ISO Width (mm) | 71mm,72mm,73mm,74mm,75mm,76mm |
| Tube Compound | Butyl |
| ISO Diameter | 406 / 20″ BMX |
| Valve | Presta Short 32-40mm |
