Description:
 Name: Mini Bicycle PumpColor: black, silverMaterial: aluminum alloySize: as the pictureCapacity: 120-140psi Features:
 - Short and easy to carry. Easy to master, take up a small space, carry more convenient.- Schrader Valve and Presta Valve universal, easy to convert, gently rotating pull out.- Multi-function can connect nitrogen bottle. Portable pump can not only pump manually, but also use nitrogen bottle to add air, which is simple to operate and convenient to use.- Frame configuration for easy installation. Car load does not take up space, but also can be filled with pockets, car bags, etc. Instructions:
 Mode 1: Cylinder manual mode1. Aim at the air nozzle first. 2. Turn clockwise to tighten. 3. Manual air pump is enough.Mode 2: Cylinder charging mode (Not include gas cylinder)1. Install gas cylinders and tighten them. 2. Turn clockwise to tighten. 3. Release the cylinder and start pumping. 4. Tighten the cylinder after adding gas. Package included:
 1 x Mini Bicycle Pump (Not include gas cylinder)