What Are Rims?
What Are Rims?. Part of the series: Car Maintenance & Troubleshooting. Rims are the devices that allow tires to be mounted to a car, and they come in various bolt patterns and diameters according to the manufacturer's standard. Understand the role the rims play on a car with automotive advice from an ASE-certified master mechanic in this free video on car maintenance. Read more: http://www.ehow.com/video_4754391_wha...