The Oxford Tubeless Valves have been expertly designed with inflation efficiency and durability in mind. Tapered rubber seals allow for minimization of air loss by creating a snug airtight fit, whilst the removable valve core allows for easy sealant application. The dust cap is also multifunctional with its built-in valve core remover.  Key Features • Lightweight aluminium alloy • Removable valve cores • Valve core remover in cap  • Fits up to 9mm valve drilling