Abstract: A locking apparatus suitable for securing a bicycle and which can be mounted on a bicycle frame. The apparatus includes a housing containing a pair of axially aligned independently rotatable cable storage reels. Retractable cables are fixed at one end to each reel and exit the housing through apertures in the external wall. Each cable can be separately dispensed through its respective aperture and can be of sufficently length to secure the bicycle to a stationary object or to be threaded through the frame, the spokes of the wheel, and around a post or other permanently affixed object, with the two free ends of the cable being fastenable to each other by a combination lock, padlock, or other locking means.