Kryptonite KryptoLok U-Lock - 4 x 11.5", Keyed, Black, Includes bracket EA U-Lock

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 The high security disc cylinder now includes a new anti-float feature to keep the discs from moving and readjusting when in transit Anti-rattle bumpers keep lock chatter to a minimum Security Rating: 6 out of 10