Grainger provides virtually every length and thickness of chain and tools for applications ranging from machining to forestry. Shop here for roller chain for bicycles and motorcycles as well as many other industrial and agricultural machines. A chain breaker can make it quick and simple to change out, cut or add chains. And when you replace single- with double-strand chain link, you can gain increased pulling power and strength. Shop Grainger first when you need high-quality chain and tools to get the job done!