A bicycle consists of a variety of components. In order for each component to provide maximum functional performance, it is necessary that it be perfectly maintained. High precision, ease of use and a consistent design are essential for repair and maintenance tools. That is why Shimano continues to devote itself to the development of high-quality tools. Shimano develops professional tools to the best of its ability not only for Shimano products, but also for the maintenance of bicycles in general. Shimano tools are shaped to fit Shimano components perfectly. The tooth profile of the consumers corresponds exactly to the dimensions of the components, taking possible tolerances into account.