The KMC Brand Based on more than 40 years of experience KMC is the world’s largest chain manufacturer. We, the people behind the brand, have a clear focus: The best possible product for your demand. Our chains, chainrings and sprockets feature 100% functionality, easy handling and maximum durability. Constant innovations underline our claim to be a true market leader in drive train technology. Producing drive components is a complex process, however KMC’s aim is very simple: FOR ANY SYSTEM. FOR ANY BIKE. FOR ANY PURPOSE.