The Prestacycle EZ-Grip Big Presta Head is perfect for tubeless tires, valve extenders, and any Presta valve. It includes the improved Mini Presta Head Gasket which is softer, more durable, and gives a better seal along the Presta shaft for any Presta application.Allows high-flow inflation with the valve core removed for seating tiresEngages the Presta valve just below the cap threads and requires less insertionSafe for all types of Presta valves, including tubeless, tubeless-conversion valves, and lightweight performance valvesMade with 6061-T6 Alloy; Strong as Brass and only 1/3 the weightPatent-pending, two-way connector screws onto the Prestaflator threaded connector or directly clamps to a hoseCompatible with Silca pumps and can be adapted to other pump brands with optional Schrader barbItem SpecificationsIncludes GaugeNoValve CompatibilityPresta Prestacycle EZ-Grip Big Shop Air Compressor Head UPC: 689466126747