Lockring
Threaded washer used to prevent components from becoming loose during rotation

A lock ring is a threaded washer used to prevent components from becoming loose during rotation. They are found on an adjustable bottom bracket and a track hub of a bicycle.
Sources and credits
This article is adapted from the Wikipedia article “Lockring”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Federringep.jpg by Vermip, CC BY-SA 3.0
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