Keyless Combo Security for Quick Stops and Urban Commutes The Kryptonite KryptoLok Combo U-Lock features a 12.7mm hardened steel shackle with a double deadbolt design—the strongest combination U-lock on the market. A 4-digit resettable combination eliminates the need to carry keys, and the lock opens and closes with the quick input of 4 digits that can be reset when needed. The lock includes a protective vinyl coating, rotating dust cover, and easy-to-use dials designed for reliable operation. This combination U-lock provides a 6 out of 10 security rating from Kryptonite, making it ideal for quick stops in metropolitan areas, a couple of hours in suburban settings, or all-day security in lower-theft-risk locations. The lock includes a FlexFrame bracket for convenient transport on your bike frame, and the reset lever cannot flip up when the shackle is in the crossbar. Registration with Kryptonite's Combo Safe Program allows you to recover your combination if forgotten, and optional anti-theft protection covers up to $1,750 of bike value. Convenient and Straightforward 12.7mm hardened steel shackle resists cutting and leverage attacks Double deadbolt provides the strongest combination U-lock strength on the market 4-digit resettable combination eliminates the need for keys Durable, easy-to-use dials designed for smooth operation Rotating dust cover protects the lock mechanism from dirt and debris Protective vinyl coating prevents scratches and damage to bike frames Easy 4-digit reset mechanism with failsafe design Reset lever cannot flip up when shackle is inserted Dials lock in place and cannot move in open position Kryptonite Security Rating 6/10 for moderate theft risk Combo Safe Program allows registration for combination recovery Optional anti-theft protection up to $1,750 coverage Sold Secure Gold certification
