[Compact and Portable]Measuring 27cm when collapsed and 45cm when extended, this lightweight aluminum alloy pump weighs only 133g, making it easy to carry on your rides without adding burden. [Versatile Compatibility]Suitable for various applications including basketballs, mountain bikes, road bikes, and electric bicycles, with a maximum pressure of 120 PSI. [Space-Saving Design]Can be installed alongside the water bottle cage, saving valuable space on your bicycle frame. [Quick Valve Switch]Easily switch between Presta and Schrader valves by simply rotating the pump head, accommodating different tire types. [Stable Pumping]Features a foot-operated base for increased stability during inflation, ensuring a steady pumping experience. [Pressure Monitoring]Equipped with an external pressure gauge for real-time pressure readings, allowing precise inflation. [Thoughtful Details]Includes a hose fixation design to prevent debris entry and comes with mounting brackets for convenient attachment to your bicycle frame. Specifications: Model: RY-MP2821B 42322821001 Dimensions: 4.2cm bottom width, 5.3cm top width, 27cm collapsed length, 45cm extended length Material: Aluminum alloy + plastic Maximum Pressure: 120 PSI Weight: Approximately 133g Compatibility: Basketball, mountain bike, road bike, electric bike Valve Types: Presta and Schrader