Chain lock: This is exactly what it sounds like, a metal chain with a locking mechanism, usually involving a key. The ends of the chain are connected with a deadbolt or miniature U-lock.

Although the Abus City Chain 1010 featured in our list of the best bike locks provides higher security, it's not a lock that you'd want to leave on when driving due to the risk of damaging your ...

The chain itself uses 10mm thick hardened steel to form links, there's 85cm of locking length and at the end is a padlock with a 12mm thick shackle. It's this padlock design where the innovation ...

We tested 13 of the best bike locks with sledgehammers, bolt cutters, drills and angle grinders. These 3 stood up to the abuse.

There is an optional SmartMotion key that works like a fob in a keyless ignition car, but for the most part, the lock is operated completely by your phone. I tested two versions, the Linka Lasso 8 ...

The humble padlock has hardly changed for thousands of years, but AppleInsider recently talked to one company who believes they can make a better one — by using your iPhone as the key.