We've tested and reviewed products since 1936. Read CR's review of the Kryptonite Evolution U-Lock with FlexFrame U-Bracket bike lock to find out if it's worth it.

Introducing Kryptonite’s new angle grinder-resistant New York Diamond Standard Lock. Protecting investments makes sense, so why not do the same with your bike? For many of us, a bike goes beyond a ...

With its large shackle and patented Diamond coating, the Kryptonite New York Lock Diamond Standard is a heavy duty D-lock that inspires confidence when leaving expensive electric and cargo bikes ...