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The Best Bike Lock

Updated Dec 10, 2022
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In the Before Times, bike thieves were bad enough. But due to the pandemic-related bike boom—which caused shortages that persist even now—bike thieves have become a plague all their own. The first line of defense: a good bike lock. To find the best bike lock, we ordered 32 of the toughest we could find and then sawed, chopped, and cut them to pieces. We learned that almost every lock can be defeated in under a minute, but the Kryptonite New-U Evolution Mini-7 offers enough of a security advantage over other locks in its price range to keep a modest commuter bike from becoming an easy target for thieves.

Kryptonite New-U Evolution Mini-7 With Double Loop Cable, the best bike lock

Kryptonite New-U Evolution Mini-7 With Double Loop Cable

The best bike lock
With a dual-locking hardened 13 mm shackle, an included cable, and a free year of anti-theft protection, the Kryptonite New-U Evolution Mini-7 is a good deterrent at a reasonable price.
We recommend
Kryptonite New-U New York Fahgettaboudit Mini, an even stronger lock

Kryptonite New-U New York Fahgettaboudit Mini

An even stronger lock
This is the most secure lock we tested, but it weighs a lot more than our top pick.
A better upgrade
Kryptonite New York Fahgettaboudit Chain, best chain for the money

Kryptonite New York Fahgettaboudit Chain

Best chain for the money
If you need more length in your lock and weight is of little concern, the 10-pound Fahgettaboudit Chain is really tough.
Another good choice
Kryptonite Keeper 585, a medium-security folding lock

Kryptonite Keeper 585

A medium-security folding lock
This relatively lightweight folding lock can wrap around odd angles more easily than a U-lock and is more secure than a cable lock—but it’s not nearly as strong as a chain, and it’s pricey, too.
Another good choice

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