Topeak joe blow xo pumpx o stands for extraordinary the only way to describe this newest cnc machined alloy joe blow floor pump an elegant yet modern representation of the classic floor pump the joe blow xo s construction from its wide stable base to its smoothly shaped handle is precisely machined and beautifully polished aluminum alloy its smooth action and long stroke powers up to 200 psi14 bar to fill even the highest pressure track tires to make tire inflation simple topeak