Share about the process of using bicycles. The process of buying used cars or spare parts; Repair and replacement based on personal experience; It may not be smooth on how to repair and use tools, but that is my actual experience from the initial steps of opening a screw or fixing something to being able to do better. Suitable for those who are new to cycling and want to repair their own bike but are also hesitant because they don't know where to start and whether there will be any problems with repairing it themselves.