Kryptonite Keeper Standard U-Lock

The interior locking dimensions are 4 inches by 8 inches, which is generally sufficient for locking your frame and rear wheel to most standard bike racks. However, if you have an oversized frame or are locking to a particularly thick post, you may want to measure your specific setup first.

This lock weighs 2.05 lbs. While it adds some weight to your bike, it is designed for everyday urban use and is light enough that most commuters won't find it cumbersome, especially when using the included frame-mounted bracket.

Yes, the durable vinyl coating covers the 12mm hardened steel shackle to prevent metal-on-metal contact. This creates a protective barrier that stops the lock from scratching or chipping your bike's frame finish while you are locking or unlocking.

The side-mount snap-in bracket is designed to be versatile and fits most standard bicycle frames. It allows you to carry the lock securely on your bike while riding, keeping it accessible without needing to store it in a backpack.

Absolutely. Because of its hardened steel construction and manageable size, it is a great option for securing sports equipment, gates, toolboxes, or grills. The U-lock design is versatile enough for any application where you need a secure, pick-resistant closure.