Kryptonite kryptolok series 2 std u lock cablekryptonites kryptolok series 2 std u lock cable is an affordable u lock which is perfect for securing your bike and giving you peace of mind robust steel bicycle lockmade from 13mm hardened steel and optimising an internal mechanism that has been reinforced to provide increased security from different styles of attacks this u lock has you covered the flex cable can be used to secure your wheels panniers or even saddle to the bikes frame th