Topeak products are designed to be the best available and the topeak race rocket hpx hand pump is no exception it is the longest and slimmest version of the race rocket in the series especially designed for road bikes this elegant aluminium bike pump has a narrow barrel and a longer stroke that quickly inflates up 160psi with ease the extendable hose takes the stress off the value stem enabling rapid inflation of the tyres to soon get you back on the road leisure lakes bikes have an extensi