Whiteleopard Micro Bike Pump- Mini Cycle Pumps with Gauge - BONUS Ball Inflating Needle & Bicycle Repair Kit-Presta and Schrader -Premium Alloy Steel and Plastic-8.3 Inch-Lightweight BONUS GIFT : This product that contains Ball Inflating Needle & Bicycle Repair Kit 3.5 OUNCES &8.3 INCHES : Weights only 3.5 ounces, 8.3 inches in length collapsed and can extend to about 13.3 inches. Easily fit in a fanny pack while biking just in case you'll need to inflate your tires in the middle of a ride BUILT-IN PRESSURE GAUGE : Gauge on the middle of the pump barrel, a small window which tells you how much accurate pressure the tires are. In this orientation, the gauge can be read while working the pump. FASTER PUMPING : The advanced cylinder design extends to push more air for faster pumping, and adjusts for high pressure pumping for road tires100PSI.It can be completed inflating within minutes. PRESTA &SCHRADER SWITCH : Easy switching between Presta and Schrader valves thanks to innovative hose design. Dont need any adapters. Presta or Schrader compatible you have all the bases covered.