The kryptonite kryptolok mini series 2 d lock with 4ft flex cable is a great lock to own as it is able to lock down most of your bike so that those pesky thieves have no chance of stealing the lock is suited for moderate to high crime areas with a standard length 13 mm hardened kryptonium steel shackle patented deadbolt locking mechanism for extensive holding power makes for a firm grip on your bike high security disc style cylinder and the reinforced sleeve over crossbar and cylinder provid