Designed to meet the demands of a professional racing and training schedule this elegant and sleek mini pump features a full aluminum 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. Note: Use the PCT Cap to tighten or remove two piece Presta valve cores when necessary.