As its name suggests the topeak joe blow sprint pump is incredibly fast and easy to use topeak have kitted this bicycle pump with everything you need for high performance pumping that39s convenient and hassle free featuring a twinhead hose this is one versatile floor pump and will fit presta schrader and dunlop valves with ease what39s more an alloy thumb lock lever will ensure a durable air tight seal while the pressure release button gives precise adjustment of tyre pressure comple