Kryptonite KryptoLok U-Lock - 4 x 9", Keyed, Black, Includes bracket

The KryptoLok features a high security pick and drill resistant disc-style cylinder. Patented Anti-Rotation Double Deadbolt shackle helps fight against twist and cut attacks Includes Transit Flexframe transportation bracket Includes Kryptonite KeySafe Program Transit Flex Frame Bracket system fits on the adjustable spline and allows for multiple, off-set fitments to better align the lock for transportation Hardened, 13mm Performance Steel shackle and reinforced hardened crossbar design gives more protection for the lock internals than ever before Anti-rattle bumpers keep lock chatter to a minimum