... 2.Multi-functional nozzle 3.Material: seamless steel pip bicycle pump 30mm1.material:iron,plastic steel,aluminium alloy2:base:plastic ... /wood and various style Removable or not Removable(fixed by screw, portable) Irremovable(fixed by glue, firm) Tube steel or plastic ... can customize if you need.Apart from manufacturing bicycle pump,we also provide bicycle parts,pump parts,children bicycles in best ...