Stan's NOTUBES Valve STEM Pair Universal AL Presta 55MM Black

Lightweight aluminium valves, half the weight of standard brass valves. Tubeless Presta valve stem with removable valve core for adding sealant. A perfect fit for all of Stan's BST rims and wheel models and fits most other tubeless rims and wheels. Fits up to an 8mm valve hole. Weight: 8 10g. The Stan’s No Tube 55 MM Tubeless Valve features a ultralight Presta valve stem and removable valve core for easier inflation.