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.

Kryptonite New York M18 U-Lock review in a sentence: A dazzling design that’s also super secure, which makes this premium priced D-lock a very sensible purchase. Having a bike lock that stands out ...

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 ...

I put up with the hassle of owning a car in traffic-jammed Washington, D.C., for a few years. But when I lost my free parking space, I sold the car and made a bike my primary means of transportation.

Kryptonite’s Modulus bike lock caught our eye at this week's iceBike show. It's being marketed as a flexible security system for riders who lock their bikes to various different sized objects, from ...

Perfect for locking two or more bicycles, motorcycles or scooters together when combined with another Kryptonite lock 10mm BRAIDED STEEL CABLE provides increased cut resistance DOUBLE LOOPED CABLE for ...

The $27m Kryptonite Corporation of Massachusetts was bought by industrial giant Ingersoll-Rand two weeks ago. Founded in 1972, the Kryptonite Corporation is most famous for its New York lock (and its ...