Based on the legendary Evolution Mini-5 U-Lock, the new Messenger Mini has a wider and longer shackle to increase the number of places it is possible to lock your bike Features: 11mm hardened max-performance steel shackle provides lighter weight lock while maintaining the security level of evolution minis Wheel extender can secure either the front or back wheel while the mini captures your frame and the immovable object Increased shackle dimensions allows for a wider range of lock up scenarios New patent pending bentfoot double deadbolt design Reinforced cuff over crossbar and cylinder for additional security Protective vinyl covering NEW ROTATING DUST COVER with stopper plug 2 STAINLESS STEEL KEYS with coiled wrist key chains Key Safe Program Product dimensions: 9.5cm x 16.5cm wheel extender: 8.3cm x 9.5cm Product weight: 1.18 kgs