If you own a bike, you often face various technical issues related to bike maintenance. Bicycle tools are needed both for daily maintenance (cleaning, tightening cables and screws) and for repairing knots. Conventionally, tools for repairing a bicycle can be divided into two subgroups: compact multitools (small sets of hexagons and screwdrivers), and special keys for disassembling assemblies (pullers, squeezes, etc.). Universal key sets - multitools, it is convenient to take with you in a bicycle bag, because on the road any situation can happen when you need a small repair, which you can perform in the field with this compact set of keys for a bicycle. Disassembly for replacement or thorough cleaning of components is another matter. They all require special removal keys (carriages, connecting rods, cassettes). These pullers are available in every bike shop, but if you plan on servicing your rover yourself, you will definitely need them. In fact, there are not so many of them, and you can choose these bicycle tools only to complete your bike. For example, you will need either a cassette puller or a freeride puller, but you will need a chain squeeze, a spokes key for any bicycle. By delving into the structure and principle of operation of each bike part, you will definitely learn how to properly maintain and repair your bike, and it will serve you for many years and will give you a lot of riding pleasure.