Rims refer to the wheels of a car, which are attached to their hubs by nuts and bolts. The rims of a car may or may not be concealed by a hub cap.
www.CarRims.us/
Antique Car Rims (Photograph)
A car rim is the metal component that a tire is fitted around. Car rims are made from various types of metal and have different looks, but are a necessary part of any vehicle. This photo shows old-fashioned spoke rims and a white wall tire.
www.CarRims.us/antique-car-rims.htm
Bicycle Wheelsets
Traditional bicycle wheels contain a central hub surrounded by wire spokes that connect the hub to a circular rim. This bicycle wheelset guide includes links to bicycle wheel suppliers.