Lifeline universal tubeless presta valveslifelines universal tubeless presta valves which come as a pair have been manufactured to offer quick easy and efficient installation of tubeless tyres allowing maximum airflow from co2 cartridges and traditional pumps these universal tubeless presta valves also have a removable core for easy inflation featureseasy installationremovable coreaccept high volume airflowbuylifeline wheels tyresfrom chain reaction cycles the worlds largest online