Lockring
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/19/Federringep.jpg/220px-Federringep.jpg)
A lock ring is a threaded washer used to prevent components from becoming loose during rotation.[1] They are found on an adjustable bottom bracket and a track hub of a bicycle.
Lokring is another form of fastener used in the automotive and air condition industries: these fittings are often confused with lockrings.
See also
[edit]The dictionary definition of lockring at Wiktionary