ROCKBROS Mini Electric Bike Pump with Gauge, 120PSI Portable Bicycle Tire Inflator for Road & Mountain Bikes

Description Pocket-Sized & Ultra-Portable： At just 0.31 lbs and measuring 2.80 *1.97* 1.12 inches, this electric bike pump fits easily in your jersey pocket or saddle bag. The durable aluminum body with a silicone sleeve protects against drops and scratches, while the heat-insulating design prevents burns during use—ideal for quick top-ups or emergency repairs. Bright LED Gauge & Precise 120PSI Control： Featuring a clear LED digital gauge, this bike pump electric displays real-time pressure up to 120PSI with high accuracy, letting you set and monitor pressure for road bikes (700C*25) and mountain bikes. The intuitive button layout ensures smooth operation—no hard-to-read screens or laggy menus, even in low light. Fast Inflation (with Startup Sound Note)： Mini electric bike pump by a high-efficiency motor, it inflates a 700C25 tire from 0–80PSI in 50–60 seconds (0–120PSI in 95–105 seconds), twice as fast as standard pumps.Note: A slightly louder sound at startup is normal—prepare in advance to avoid being startled. We’ve optimized the design to keep ongoing noise and vibration at a manageable level. Reliable 420mAh Battery & Auto-Stop Safety： Electric bike pump portable built-in 420mAh rechargeable battery powers up to 4 road bike tire inflations (0–80PSI) or 2 inflations (0–120PSI) on a single charge, and refuels quickly via Type-C USB. The auto-stop function shuts off the pump once your target pressure is reached, preventing over-inflation and protecting your tires. Universal Compatibility & Versatile Use： This electric bike tire pump works seamlessly with Presta & Schrader valves (via included adapter) and a ball needle for sports balls, ideal for road bikes, mountain bikes, and e-bikes. The flexible, durable hose ensures a tight, leak-free seal.Important Tips: Use the extended hose when pressure exceeds 100PSI to prevent leaks. For TPU inner tubes with resin valves, always use the extended hose to avoid overheating and melting.