Manual Operation The manual operation design allows for easy and efficient inflation, without the need for batteries or electricity. Alloy Material Crafted from durable alloy, this bike pump combines strength with lightweight design, making it ideal for both road and mountain biking. High-Pressure Gauge Equipped with a high-pressure gauge, this pump ensures precise inflation for your bike tires, offering accurate pressure readings up to 160PSI. Universal Valve Compatibility Featuring Presta/Schrader valve compatibility, this pump can inflate a wide range of bike tires, ensuring versatility and convenience. Certified Safety With CE certification, this bike pump meets international safety standards, giving you peace of mind while using it.