Blackburn’s Mountain Anyvalve Mini-pump is specifically designed to push more air per stroke, saving energy that you might need for riding. Presta valve? Sure. Shraeder? Yep, no problem! Whatever valves you use on your bike, this pump gets the job done with no leaking, no fuss, clean and simple. With its Anyvalve pump head and tough aluminum barrel, there's no need to even think about it, it works every time.