Serfas Women's Bicycle Floor Pump Capable of getting you to extremely precise inflation pressures The switch valve & simple valve designs enable switching between Presta or Schrader valves, while the dual head offers both Our simple screw-on and Quick draw head designs both screw on the valve for a secure fit, even at high inflation pressures Simple valve pump head - fits both presta and schrader valves Durable metal barrel and base and ergonomic handle Reduced standover height Equipped with ball and accessory attachments