Blackburn: MEET THE CORE PRO, OUR TOP OF THE LINE FLOOR PUMP. CONSTRUCTED OF DURABLE 6061 ALUMINUM, THE PRO STANDS AT NEARLY 29 INCHES TALL, GIVING IT THE LARGEST AIR CHAMBER IN OUR LINE. THAT MEANS LESS PUMPS FOR GREATER PRESSURE. THE PRO ALSO BOASTS A 51 INCH HOSE TO REACH YOUR BIKE, EVEN IF IT’S ON THE BACK OF YOUR CAR. OUR AIRTAP HEAD IS DESIGNED TO BE COMPATIBLE WITH PRESTA, SCHRADER AND EVEN DUNLOP VALVES AND IT FEATURES AN IN-LINE BLEED BUTTON FOR PRESSURE PERFECTION. DID WE MENTION IT MIGHT JUST BE THE BEST LOOKING CYCLING ACCESSORY YOU OWN?AirTap™ - Our AirTap reversable pump head works with Schrader, Presta or Dunlop valves and features an integrated air bleed button right at the valve for perfect pressure, every timeMATERIALS - Barrel, handle, and base all made of 6061 alloyPUMP HEAD - Dedicated grommets for each valve type ensure a secure clamping force and air tight sealAviation Gauge – Massive, 3 inch wide base-mounted gauge lets you easily read your tire pressure, and adds to the foot print of the Core pump’s solid stanceAir Bleed button on the pump head to micro adjust pressurePUMPING ACTION - Large diameter inner shaft produces smooth, efficient pumping51 hose easily reaches your bike stand or car tray rack180 PSI / 12 BAR 2 PSI increments28.75 HEIGHT