![kryptonite bike lock kryptonite bike lock](https://d3d71ba2asa5oz.cloudfront.net/12032377/images/kryptonite%20998457%20new%20york%20lock%20liberty%20yellowblack.jpg)
KRYPTONITE BIKE LOCK UPGRADE
(The company’s New York lock series-including our upgrade pick and the chain pick below-is covered even in Manhattan.) Two caveats on the latter: You must register your lock within 30 days of buying it, and the anti-theft protection on this lock does not apply to residents of Manhattan, where theft is very high. It also comes with a 4-foot cable to secure the front wheel, plus a free year of Kryptonite’s anti-theft protection.
![kryptonite bike lock kryptonite bike lock](https://i.ytimg.com/vi/lkJV3_lM0wA/maxresdefault.jpg)
The New-U Evolution Mini-7 uses a disc-detainer locking mechanism, which is much harder to pick than a typical wafer lock and should foil all but the most savvy criminal using specialty tools.
![kryptonite bike lock kryptonite bike lock](https://www.expocafeperu.com/w/2020/07/diy-wood-mountain-bike-stand-work-standover-height-29er-design-repair-for-sale-floor-standard-size-scaled.jpg)
On top of that, the shackle in this design has an additional cutout at the end, which makes rotating (and therefore removing) it after cutting it even more difficult. Measuring 7 inches long and weighing a little under 3 pounds, it’s the perfect size for most people-long enough to lock the wheel and frame of most bicycles to a rack while leaving almost no room for someone to wedge a pry bar or a car jack inside it. Once our testing began, we immediately saw the huge advantage this lock had over the competition: Its 13-millimeter hardened shackle (the big U-shaped loop that gives U-locks their name) can withstand bolt cutters, eliminating a large percentage of potential thieves. The Kryptonite New-U Evolution Mini-7 should withstand attacks from everything but power tools under most circumstances.