Freelock Self-Locking Cycle Concept

If you're tired of carrying a lock around with you every where you ride, the Freelock is a self-locking bicycle whose seat also functions as a built in lock, which is apparently as secure as an old bicycle with a typical chain lock.

The handlebars and body of the bike can rotate around to accommodate different angles of the poles and racks the lock latches onto. Sounds like it would be a quite handy concept, but I'm sure the idea of lugging around a chain lock won't be so bad once you realize your tires have gone missing... again. [Yanko]