Zefal HPX Traditional Pump Size 1 (360-410mm)With its all aluminum construction, the traditional HPX pump has an exceptional durability. The integrated HPX system allows to fit any frames, without the need for straps or secondary fixings. It reach high pressure easily (up to 12 bar 174 psi). Patented Zfal, the HPX rest over time a major innovation in the world of cycle. Technical specs Connection: Reversible Presta Schrader Handle: Aluminium Pressure: 12 bar 174 psi Barrel: Aluminium Size: 360