Abstract: A shock absorbing adjusting structure includes a cylinder with a tube movably received in the cylinder. One end of the cylinder is connected to a part of a bicycle frame and one end of the tube is connected to another part of the bicycle frame. A sleeve is fixedly connected to the cylinder and connected to a piston assembly movably inserted in the sleeve. A tapered hole and a plurality of through holes are defined through the piston assembly. A seal member is urged by a spring in the piston assembly and seals the through holes. A pusher in the piston assembly is urged by a rod which extends from an inside of the cylinder and is movably received in the sleeve. The rod is moved by an actuating bar which is operated by a rider from outside of the cylinder so as to movably adjust a tapered tip of the rod relative to the tapered hole in the piston assembly.

Abstract: A pump includes a first cylinder with a first valve member connected to a first end of the first cylinder and a first handle disengagably connected to a second end of the first cylinder. A first piston is movably received in the first cylinder and a second cylinder fixedly connected between the first handle and the first piston. A second piston is movably received in the second cylinder and a rod is connected to the second piston. The rod extends through the first handle and connected to second handle which is disengagably connected to the first handle. The movement of the first piston is used to pump tires and the movement of the second piston is used to pump a cylinder of air suspension device.