Super stron U-lock to protect your bike. These locks offer a high security level of protection for riders locking their bikes in a metro area or for longer periods of time while in transit. 13mm hardened max-performance steel shackle resists bolt cutters and leverage attacks Patent-pending hardened double deadbolt design gives additional protection against twist attacks New sliding dustcover New double deadbolt design Higher security disc-style cylinder is pick and drill resistant. Includes flexframe-u bracket providing convenient multi-location u-lock transport 3 stainless steel keysincluding new key design and one led replaceable key fob Protective vinyl coating Security rating: 7/10 Weight 1.2 kg Dimensions 17.8 x 8.3 cm