High-quality bike locks and the manufacturer Kryptonite have become almost synonymous among many urban cyclists. The New York Standard U-lock does not disappoint this association. Simple, functional, and 16 mm of burly steel combine to form our favorite lock overall. It won our Editors' Choice Award for the second time running, despite fierce competition. With high security comes significant weight in this gear category, yet our testers were willing to mount this lock and ride into high-risk environments with confidence. Our attempts to break this lock were futile with hand tools. We are confident that it takes a miracle and some luck to break this lock with hand tools. Short of that, a thief will have to use power. Kryptonite is so confident their lock won't break, they offer $4,000 in bicycle protection to back it up. This lock can lock both wheels and the frame, provided you remove your front wheel and place it next to your rear.
We also reviewed the Kryptonite New York Fahgettaboudit U-Lock Mini, which was even a tad more burly than the Standard, but the transportability and versatility of the Standard are superior. The ABUS Granit X-Plus 540 also gave the New York Standard a run for its money, but it didn't survive against our angle grinder as long and didn't come with a comparable theft protection policy.