The topeak race rocket hpc bike carbon hand pump is an efficient light weight single action full carbon design which inflates tyres to 160psi it features an extendable hose with smartheadtrade threadlock fills presta and schrader valves with ease it also takes the stress off the valve39s stem this compact ultra light carbon road pump fills high pressure tires fast and it39s small enough to fit in a pocket the racerocket series feature the smartheadtrade threadlock