Chain Monkey is the world's first tool designed to help you set the tension on your motorcycle's drive chain. The task of tensioning a chain can be a tedious and time consuming task, especially on motorcycles. But not anymore. By using Chain Monkey, anyone can set their chain tension quickly, easily and with minimal knowledge required. From new riders through to experienced mechanics, Chain Monkey will simplify the task, optimize performance and save you money through its revolutionary, patented design.