A retractable cable locking device for securing articles with retractable cables includes a housing that has a front, a back, a first side, a second side, a top and a bottom defining an internal space. Shafts, rotationally coupled to and extending between the front and the back, are positioned in the internal space. Cables are extendable from and retractable into the housing through holes positioned in the first side. Each of the cables has a first end coupled to one of the shafts and a second end coupled to a locking hub. Ports, which are complimentary to the locking hubs, and a key lock, which is operationally coupled to the ports, are positioned in the second side. A speaker, a processor and a power module are coupled to and positioned in the housing. The processor is operationally coupled to the power module, the speaker and the key lock.

An assembly secures a bicycle having first and second fork prongs to a vehicle. The assembly includes an elongated skewer for mounting the first and second fork prongs of the bicycle thereon. The elongated skewer defines a longitudinal axis, and has a first end portion and a second non-threaded end portion. The assembly also includes a stop removably coupled to the second non-threaded end portion of the elongated skewer, and a sleeve movably coupled to the elongated skewer and removably coupled to the stop to lock the stop on the elongated skewer.