Editing Wheel (section)

=== Rim ===
{{main|Rim (wheel)}}
[[File:AluminumWheel spoke design.jpg|thumb|An [[Aluminium|aluminum]] [[alloy wheel]]]]
The '''rim''' is the "outer edge of a wheel, holding the tire".<ref>{{cite book |url=https://books.google.com/books?id=fUE0bazkcxAC&pg=PA722 |title=The Pocket Oxford Dictionary and Thesaurus |first=Elizabeth |last=Jewel |publisher=Oxford University Press |year=2006 |isbn=978-0-19-530715-3 |page=722 |access-date=2012-01-04 |archive-date=4 May 2016 |archive-url=https://web.archive.org/web/20160504123938/https://books.google.com/books?id=fUE0bazkcxAC&pg=PA722 |url-status=live}}</ref> It makes up the outer circular design of the wheel on which the inside edge of the [[tire]] is mounted on vehicles such as [[automobile]]s. For example, on a [[bicycle wheel]] the [[rim (wheel)|rim]] is a large hoop attached to the outer ends of the spokes of the wheel that holds the tire and tube.

In the 1st millennium&nbsp;BCE an [[iron]] rim was introduced around the wooden wheels of [[chariot]]s.