The mini air pump is specially designed for bicycles and mountain bikes. It is portable, lightweight and versatile. Nice outdoor accessory for cyclists. Features: Size Lightweight and compact, convenient to carry. Aluminum alloy material, durable, corrosion resistant with good hand feeling. Quick and easy inflation, time and labor conservation. Joystick operation regulates CO2 release rate for precisely controlled inflation. /> Compatible with Schrader and Presta valve nozzles, no switch valve head required. Foam sleeve protects fingers from frostbite during use. Waterproof and heat prevention rust, more durable. Note: No CO2 cartridges included. Features: Material: Aluminum alloy. Color: Blue / Red (optional). Maximum pressure: 110 PSI Hose size: 4.6 * 3.1 cm / 1.8 * 1.2 Product weight: 25.3 g /0.9 oz Packing size: 11 * 7.5 * 2 cm / 4.3 * 3.0 * 0.8 Package Weight: 41g / 1.4oz Package List: 1 * Bicycle Pump 1 * Foam Sleeves< /td>