Highly sturdy, reliable and top range anti-theft system, consisting of a soild steel chain and a Blade 13 mm U-padlock, characterised by an advanced and original locking system that improves the reliabiilty and anti-tampering features of the device. Its allows to safely secure motorcycles of medium and large displacement to a pole or fixed support. It ensures a high prevention level against thefts also when parking your vehicle for long periods of time or in high risk areas.