Apollo I Ultra Compact Mini Bike Pump with High Volume / High Pressure Switch SMALL/COMPACT. Fits in your pocket. 6.5 in / 16.5 cm POWERFUL. Dont mistake its small size for power. The built in High Volume / High Pressure Switch allows you to fill faster and easier. Begin filling your tire set at HIGH VOLUME. When the pumping begins to get more difficult flip the switch to HIGH PRESSURE. The high pressure setting makes it easier to put in air at higher pressure. Save your energy for your ride  not pumping! Up to 110 psi / 7.58 bar. NO ADAPTERS NEEDED. EVER. The Apollo I mini pump uses PATENTED technology to AUTOMATICALLY adjust to Presta or Schrader valves. No fumbling with adapters or searching for different heads. DURABLE, LIGHTWEIGHT CONSTRUCTION. The Apollo I pump is constructed from SERIES 6000 grade aluminum and impact resistant plastic for reliable performance. The red anodize finish can handle the rigors of riding whether on the road or trail. Weighs in at only 105 grams. FRAME MOUNT with the INCLUDED mounting bracket. Also fits in your pocket or riding bag.