Kryptonite Kryptolok U-Lock
Best high-security choice for urban commuters needing reliable, versatile theft protection.
A reliable, keyless security solution that balances strength with everyday convenience. The resettable combination mechanism removes the hassle of managing keys, while the robust steel construction and included mounting bracket make it a practical choice for daily commuters who need quick, dependable protection.
$72.95
at
Marblehead Cycle
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Who it's for
- Commuters needing a lightweight lock for easy transport
- City riders seeking reliable protection in moderate-risk areas
- Cyclists prioritizing hardened steel security against common theft tools
Who should skip it
- Riders needing to secure both frame and wheels simultaneously
- Commuters who prioritize a stable, rattle-free mounting system
- Weight-conscious cyclists preferring lighter cable or folding locks
Performance breakdown
Theft resistance
Hardened steel shackle provides formidable defense against common cutting tools.
Portability
Included frame bracket makes carrying this substantial lock surprisingly manageable.
Locking mechanism
Double deadbolt design effectively thwarts leverage and twist-based attacks.
Versatility
Bonus cable extends security to wheels and accessories beyond the frame.
Build quality
Rugged construction feels reassuringly solid in hand and under pressure.
Ease of use
Smooth cylinder operation ensures quick locking without frustrating key jams.
Key Specs
Shackle Material
12.7mm hardened performance steel
Locking System
Patented hardened double deadbolt
Cylinder Type
High-security disc-style
U-Lock Interior Locking Dimensions
3.25 in. x 7 in.
Shackle Diameter
12.7mm
Weight
3.25 lbs.
Included Cable
4 ft. (1.2 m) long, 10 mm wide Steel Looped Cable
Keys
Three stainless steel keys with ergonomic design
Mounting
Includes versatile FlexFrame-U Bracket
Still have a question?
Ask Metto anything about the Kryptonite Kryptolok U-Lock before you decide.
