GEAR

The various types of gears include for example, the so-called transmission hub, the chain shifters, combined gearss and the bottom bracket. Even within these types of gearss each can have a plurality of different models with specific features. Various models here differ, for example in respect to the number of usable gears , the tzpe of application for instance MTB, road bikes, city bikes etc. Other important factors are weight and price of a gear as well as if it is a maintenance free or would require regular service care.