1. MULTIFUNCTIONAL AIR PUMP: This portable mini pump is compatible with both PV and SV valves, providing you with the flexibility needed for all your cycling adventures. 2. ADJUSTABLE VOLUME: Easily control the carbon dioxide volume by turning the valve left to release or right to tighten, ensuring perfect inflation tailored to your specific needs. 3. LIGHTWEIGHT AND DURABLE: Crafted from high-quality aluminum alloy, this inflator is not only compact and easy to carry but also built to withstand the rigors of your cycling activities. 4. ACCURATE PRESSURE MEASUREMENT: The integrated precision barometer allows you to monitor your bike's tire pressure in real-time, helping you achieve optimal performance and safety on the road. USE SCENARIOS: - Ideal for quick tire inflation on race day, ensuring you're competition-ready without the hassle. - A must-have for long-distance cyclists, allowing you to make on-the-go adjustments during your ride for a smoother experience. - Perfect for everyday cyclists who need a reliable solution for both emergency situations and routine maintenance. This air pump combines functionality, compatibility, and performance in a lightweight design, making it an essential tool for cyclists of all levels.