BOSTON — Bike lock maker Kryptonite struggled to reassure customers and protect its reputation on Friday after the disclosure that its famous U-lock could be opened by a ballpoint pen. Kryptonite said ...

The triumph last week of the Bic pen over expensive, state-of-the- art steel locks has panicked the bicycling community, and churned Internet rumor mills about how much the lock manufacturer knew and ...

In September, Kryptonite took a lot of heat from aggrieved consumers, angry when a poster to bikeforums.net uploaded a video showing how easy it was for a certain type of cheap Bic pen to open a ...

An internet video exposing the ease with which Kryptonite bicycle locks can be picked could pose problems for the large number of Harvard students who own the popular device. “I remember watching a ...