Kryptonite announced Wednesday that it would offer free exchanges to anyone who owns one of its U-lock models requiring a circular key, a popular type of lock with city bikers that is vulnerable to ...

Bike owners trying to figure out what to do with their round-key Kryptonite locks (which reportedly can be picked open with the hollow shaft of a Bic pen), should know that Kryptonite is offering to ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Duncan Niederlitz and Eve O'Neill Bike thieves are a persistent plague. The ...

Bicyclists who rely on the Kryptonite tubular cylinder locks should contact the company soon to take advantage of its lock-exchange program before the spring bicycling season gets under way. The ...