Easy, intuitive and quick: 12 seconds only to fit it. König Easy-fit is the fastest chain in the world, the only one holding Guinness World Record. One stop only, 3 easy steps to fit it and drive. The internal rigid arch system makes fitting the chain very intuitive: from the top to the bottom of the wheel. The aluminium central bar is at the heart of the automatic tensionig system: just open out the built-in pedal and press down with your foot to activate tensioning. The chain will automatically slip around the tyre as soon as the car moves off. External release system: just press the red buttons on the aluminium bar and release the safety catch, and the chain comes away. Practical and durable bag, with built-in instructions, can be used as a rug during fitting.