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The Iconic SILCA Presta Chuck in aluminum utilizes the highly efficient push-on design to securely seal on Presta valves with no levers or buttons. A Two-Stage seal geometry seals on both the valve stem and at the base of valve core threads resulting in a more positive seal and improved durability. The new gasket slips onto the valve stem with a positive and satisfying 'click', while unique internal geometry actually utilizes line air pressure to compress the gasket onto the valve stem: the higher you pump, the harder it grips the stem!
This product was added to our catalog on August 24, 2021