I’m a bit of a bike lock collector. After having my favorite e-bike stolen a few years ago (as well as several less favorite bikes stolen over the years), I’ve gotten much more serious about security.

CR tests a variety of locks with the tools commonly used by bicycle thieves Senior test program leader Bernie Deitrick plays the role of bicycle thief at Consumer Reports' Yonkers, N.Y., headquarters.

If you’re in the market for a practical, portable bike lock that doesn’t weigh down your backpack or rattle on your frame, the Abus Bordo 6200K might just hit that sweet spot. There’s a reason lots of ...