Features: LIGHTWEIGHT POCKET BIKE PUMP -Only 3.9 in long and 2.1 oz weight small and lightweight for easy carry and storage. Its small but very strong It pumps easily and with great pressure for quick fill-ups. -No need to check compatibility with your bike. Twin valve head easy switch between Presta and Schrader, no extra valve adapter. PREMIUM ALUMINUM ALLOY MATERIAL -7-shaped design, Aluminum alloy body and pull rod makes the pumping action more smooth, stable and effortless. This air pump not only has a hard texture, but also waterproof and does not rust.ROBUST FRAME MOUNT KIT -With included mount bracket, you can easily and securely attach the pump to your bike frame underneath the bottle cage. PRACTICAL HAND BIKE PUMP -Tire Pump is suitable for all bike including electric bicycles as well as road bike, mountain bike, BMXs, cyclocross bike, hybrid bike. Also Its a fantastic tool to have for inflating basketballs, footballs, volleyballs and any other exercise balls.Specifications: Name: Mini Bike Pump Meterial: Aluminum Alloy Pressure Capacity: 8.27 bar / 120 psi Length: 3.86 inch/ 98 mm Diameter: 0.83 inch/ 21 mm Weight: 2.9 oz/ 85g Package Includes: 1 x Mini Bike Pump 1 x Fixed Straps 1 x Mounting Bracket 1 x Air Inflation Needle 2 x Screw Warm Tips: 1. Please confirm the type of the air valve before pumping so that ensures a right operation. 2. Please press the valve tightly when pumping avoiding air escape. 3. Drop some lubricating oil to maintain the pump every 3 month makes pumping easier. 4. This mini pump is designed for emergency situations, so it is small enough to be carried with you. Easier pumping than traditional bicycle pumps. It may take some time to pump, but please be assured that it is absolutely possible to make your tire get a high enough pressure.