Kryptonite Kryptolok Combo Std U Lock

13mm high grade carbon steel shackle helps resist cutting and leverage attacks. New patent pending hardened double deadbolt design gives additional protection against twist attacks. It has a 4 digit dial combination mechanism which offers thousands of difference code combinations. Anti-Rattle bumper keeps the shackle snug against the crossbar and prevent unnecessary noise.

The Transit FlexFrame U-mounts quickly and easily and supports the transportation of the most common u-lock sizes. The Flex Frame-U fits bicycle frame tubing 25mm to 80mm whether round, oval, triangular or square shapes. The mounting system allows for 360 degree rotation providing the ability to micro adjust the lock angle to better fit and align with a bike frames specific geometry. 

Features:

• Double Deadbolt = Strongest combination U-lock on the market
• 12.7mm hardened high-grade carbon allow steel shackle resists hand tools
• Easy to use 4 digit reset mechanism
• Durable easy to use dials
• Rotating dust cover
• Protective vinyl coating
• Includes FlexFrame bracket ‐ same as keyed U-locks
• Combo Safe Program