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 2.36-2.8 |
| Valve Core | Fixed |
| Shaft Type | Threaded |
| Tube Compound | Butyl |
| ISO Diameter | 406 / 20″ BMX |
| Valve | Presta Med 41-55mm |
