A system includes an adapter and a lock. The adapter includes a flexible collar and an attachment structure. The flexible collar is configured to at least partially surround a portion of the wheelchair such that the flexible collar engages the portion of the wheelchair and aids in preventing rotation of the adapter relative to the portion of the wheelchair. The attachment structure has a first arm attached to and extending from the flexible collar and a second arm attached to and extending from the flexible collar. The lock includes a body and a mounting platform attached thereto. The body of the lock is configured to engage the attachment structure to aid in maintaining the flexible collar in a closed position. The mounting platform has one or more coupling mechanisms attached thereto for use in removably mounting one or more accessories to the system.
