The classic New York lock. The Kryptonite New York 3000 Lock has 16mm hardened MAX-Performance steel shackle resists bolt cutters and leverage attacks. Cross bar is shielded by a hardened Kryptonium steel sleeve in a double crossbar design for double security. High security anti-pick disc-style cylinder with patented double deadbolt lock with integrated sliding dustcover that protects the cylinder. Also included is the Transit FlexFrame-U mount that quickly and easily and supports the transportation the u-lock. The Flex Frame-U fits bicycle frame tubing 25mm to 80mm whether round, oval, triangular or square shapes. The mounting system allows for 360 degree rotation providing the ability to micro-adjust the lock angle to better fit and align with a bike frames specific geometry.