Locks are a deterrent. Any lock can be defeated. I use a Kryptonite u-lock on the frame and front wheel (when convenient) and nothing else most of the time.
Originally Posted by
calv
With a cable that's not ridiculous to carry around, can you fit it to the ulock to the saddle, front wheel, and back?
With one cable it's difficult. With two cables, it's easy as pie. Kryptonite makes a range of cables in different thicknesses and lengths that you can use. Excuse the excessive pimping of Krypto, but they're the only locks I use.