Mini Bike Pump with Frame Mounted Schrader Presta Valve Compatible Top Quality SUPER COMPACT AND ULTRA LIGHTWEIGHTAlmost weightless (80g) and very compact (only 9.8 inches long when not in use). Can attach it to your bike frame under your water bottle cage with the included bike frame mounting kit, keep it in your bike bag or just carry it in your pocket. NECESSARY TOOL FOR BIKINGIt would easily fit in a fanny pack or something similar while biking just in case you'll need to inflate your tires in the middle of a ride. FASTER PUMPING  The advanced cylinder design extends to push more air for faster pumping, and adjusts for high pressure pumping for road tires.It can be completed inflating within minutes. PRESTA &SCHRADER SWITCH Switch easily between the two types by turning the nozzle a few times.. Don't need any adapters. Presta or Schrader compatible you have all the bases covered. GUARANTEE  We always focus on details. The product comes with our 100% satisfaction guarantee so order yours now with confidence.