KryptoLok Combo Bike U-Lock, Anti-Theft Security, 12.7mm Steel Shackle, 4-Digit Resettable Combination, U-Shape, Black

PORTABLE SIZE: This is a standard size bicycle u lock which is great for many lock-up scenarios. Its compact size makes it easy to carry in your backpack or attach to your bike's frame when not in use. Size interior locking dimensions are 4" x 9". This U-Lock comes with our Flexframe mounting bracket for easy transportation and storage. The bracket can be attached to your bike's frame, so you never have to worry about carrying the lock around separately
ROTATING DUST COVER: The U-Lock features a rotating dust cover that helps protect the lock mechanism from dirt, dust, and debris. This helps to extend the life of the lock and ensures that it remains easy to use over time
Rated at a 6/10 on our security scale, the Kryptolok Combo U-Lock is good for quick stops in a metropolitan area, a couple hours in the suburbs, or all day & overnight in rural areas


The Kryptolok Combination U-Lock features a 12.7 mm hardened performance steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. Rated at a 6/10 on our security scale, the Kryptolok Combo U-Lock is good for quick stops in a metropolitan area, a couple hours in the suburbs, or all day & overnight in rural areas. It also includes our patented FlexFrame-U Bracket providing convenient multi-location U-Lock transport. These great features, along with our support programs like Combo Safe, Anti-Theft Protection, and a Lifetime Warranty, make Bicycle Locks the best choice for protecting what you value.