a system and method for bicycle sharing and rental with a rack and one or more bicycles . the rack has a base with one or more locking arm , wherein each locking arm has a first end secured to the base and a second end , further wherein the second end has a fixture attached . the rack does not have any closed loops , preventing unauthorized bicycles from being secured to it . the bicycles have a controllable portion of a locking mechanism and a control device , wherein the control device is configured to enable the fixture to be secured to the controllable portion of the locking mechanism and further secure the bicycle device to the rack .