The Lezyne CNC Tubeless Valves 44mm are masterfully engineered tubeless tyre valves constructed from lightweight, durable CNC machined aluminium. Their stylish design will enhance the aesthetics of any bike and are available in several colour options. The grooved valve cap improves grip and features an integrated valve core tool, with a T25 tip that tightens the valve to a tubeless rim.The valves are equipped with an o-ring and grooved aluminium 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.Lezyne CNC Tubeless Valves 44mm FeaturesLightweight and durable.CNC Machined Aluminium.Grooved Valve Caps.Integrated Valve Core Tool.T25 Tip.Grooved Aluminium locknut.Tubeless sealant friendly.Compatible with all Presta floor and hand pumps.Weight: 44mm - 6.4g.