Motorcycle helmet is the most important part of a motorcycle’s clothing. Protects the most important organ, i.e. the brain. Choosing the right type and model is not easy. Many factors need to be taken into account, because it is important not only the type of motorcycle we have, but also our driving style and accessories, …
Despite many years of experience, the chain is still a popular way to transfer power and torque from the engine to the drive axle. Today we know it mainly from motorcycles, but an equally common example of chain use is bicycle. However, the simplicity and durability of the chain also has its own requirements, the …