The CoreCap is an adaptor for existing Presta valves with removable cores. It promises improved airflow and durability by increasing the diameter of the airway, and by having no external moving parts.

To use the basic Upgrade Set version of the device, you just remove the core of your existing Presta valve (and yes, it must have a removable core), thread the machined aluminum CoreCap onto the top, ...

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Silca, perhaps best known for its Super Pista and Super Pista Ultimate floor pumps, is getting into the tubeless game with its new tubeless valve kit and rim tape and is offering replacement valve ...