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A gear case, also known as a chain case or chainguard, is an enclosure for the bicycle chain and sprocket assemblages commonly employed by utility bicycles. It serves to protect the cyclist from being soiled or trapped in the chain rings and tends to fully enclose the drive train. It may also contain an oil bath to keep the chain lubricated. Modern examples are usually moulded in plastic. Similar devices may be found in connection with chains used on larger vehicles and machinery.
 | This article relies largely or entirely on a single source. (December 2012) |
 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (December 2012) |
Fully enclosed chain on a European city bike
Partially enclosed chain on a European city bike
Huffy Flaming Stack chain guard
- bicycle glossary entry for "Chain case" from Sheldon Brown's website
- Sheldon Brown's bicycle glossary entry for "Gear case"
- Sheldon Brown's bicycle glossary entry for "Chainguard"
_pictogram.svg){kind=small} | This cycling-related article is a stub. You can help Wikipedia by expanding it. |
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