Kryptonite kryptolok series 2 std u lock and bracket silver secure
Bicycle security for moderate to high crime areas with a standard length shackle13 mm hardened kryptonium steel shacklepatented deadbolt locking mechanism for extensive holding powerhigh security disc style cylinderreinforced sleeve over crossbar and cylinder provides enhanced security protectionreinforced internal housing increases resistance to twisting and leverage type attacksoffset key location and overhead cam locking mechanism resists leverage attackspatented easy to use high security ben