Accurate Pressure Gauge: Equipped with a built-in pressure gauge, this bicycle pump allows you to monitor the air pressure as you inflate your tires. This ensures optimal inflation for various tire types, promoting safety and performance on your rides Secure Locking Mechanism: Featuring a high-strength locking design, this pump stays securely attached while inflating. Say goodbye to frustrating leaks and slips, enjoy a hassle-free pumping experience every time Ergonomic T-Handle: The pump boasts a foldable T-shaped handle that fits comfortably in your hand. This ergonomic design reduces strain during use, allowing for a more efficient and comfortable pumping action Durable Aluminum Construction: Made from high-quality aluminum, this pump is built to withstand wear and tear. Its robust construction resists damage and deformation, ensuring longevity and a reliable performance throughout your cycling adventures High-Pressure Capability: With a maximum pressure of up to 140 PSI, this pump inflates your tires quickly and effortlessly. Whether you’re preparing for a casual ride or a more intense biking session, you can count on this pump to get the job done swiftly Specifications: Model: RR9289 Material: Aluminum alloy cylinder + high-strength plastic Weight: about 128g Air nozzle: Schrader Valve/Presta Valve conversion Air pressure: 140PSI