Topeak race rocket pumpdesigned to meet the demands of a professional racing and training schedule this elegant and sleek mini pump features a full aluminium body head and pump handle an extendable hose helps take stress off the valve stem and the dependable single action stroke fills tires fast the racerockets compact size easily fits in a jersey pocket and its low weight is welcome on long training rides and endurance races featureshead smarthead threadlock w integrated dust capbarrel