Presta valves are the standard and have been around for a LONG time, and there are many issues with this system that many ...
BBB says its new CoreCap adaptor removes the weak points of Presta valves while retaining “universal” pump compatibility.
BBB CoreCap reinvents the tire valve. More airflow & durability than Presta. Better compatibility than Schrader. And no extra cap needed!
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