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.? World's first tool to help you set chain tension? Simplifies tedious and time consuming task? Quickly and easily set correct chain tension? Minimal technical knowledge required? Ideal for new riders through to experienced mechanics? Revolutionary, patented design<<