●2-STAGE TECH - Goes both ways! Whether you ride on-road, off-road or somewhere in between, the Airstick switches easily between high volume and high pressure to suit your pumping needs ●PRESTA-ONLY HEAD - Who is this Schrader anyway? Fewer and fewer folks are running Schrader valves, so weve made this pump with a push-on, Presta-only head for easy use ●ALUMINUM CONSTRUCTION - A lightweight and tough material for extra durability and a timeless look ●FRAME MOUNT - Even the best pump wont do you much good if youve left it in your sock drawer at home. This pump comes with a discreet frame mount that attaches under your water bottle cage ●HIGH VOLUME BARREL - Oversized barrel is designed to push more air into the tire per stroke, so you arent worn out before you hit the trail