The Road Master Blaster pump features a long, machine-cut aluminum barrel that inflates road tires quickly and comes in 4 sizes to fit most road frames.Fits 43 - 49 cm Frame Sizes (16.9 - 19.3 in)Usable length 36-42cmSpring loaded handle unlocks and expands to fit between frame tubes and locks for pumping efficiencyMachined aluminum barrel and thumblockSoft Kraton head and plastic handle for increased gripIntegrated dust cap keeps head clean and ready to useHead: Presta/SchraderPadded pump head with internal handle lockButted aluminum is lightweight and durableItem SpecificationsColorSilverWeight208gPSI160PSILength429mm