Masterfully engineered tubeless bicycle tire valves constructed from lightweight, durable CNC machined aluminum Their stylish design will enhance the aesthetics of any bicycle and are available in three color options: Black, Blue, or Red. The grooved valve cap improves grip and features an integrated valve core tool and a T25 tip that tightens the valve to a tubeless rim The valves are equipped with an o-ring and grooved aluminum locknut for a leak-free seal They are tubeless sealant friendly, provide maximum airflow, and offer compatibility with all Presta style floor pumps and hand pumps WEIGHT: 44mm: 6.4g