As the proverb says "there is no constipation from a thief," but you shouldn't leave your favorite bike without any protection from theft! The bike lock will still keep you safe in most cases. If you decide to buy bicycle lock , before choosing the type of lock, pay attention to the method of fastening for transportation, length (what can you fasten it to if there is no bike parking). If your bike has a lot of eccentric fastening parts and can be easily removed without keys (wheels, seatpost with saddle), then you will definitely need a bicycle lock - a cable. Now there are many types of bike locks, made of different alloys, with different degrees of protection. You should definitely have this accessory in order to be calm for your two-wheeled friend.