Topeak RaceRocket HPX Pump Our longest and slimmest version in the RaceRocket series this all aluminum pump fills high pressure road tires fast. This elegant mini pump features an all aluminum body, head and pump handle and is designed with a narrow barrel diameter and longer stroke to handle higher pressures with ease. An extendable hose with SmartHeadTM ThreadLock fills Presta and Schrader valves with ease and helps take stress off the valve stem when filling the tire. Its efficient and smooth action inflates tires to 160 psi / 11 bar. The RaceRocket HPX mounts to frame with included bracket. With the power to fill high pressure tires and a weight of only 109 g the RaceRocket HPX is the pump to take on the road.