Roller chain links are the individual components that make up a roller chain. Chain links are available in both European standards and American (ANSI) standards, with a range of pitch sizes available. Roller chain link components consist of the following:
Connecting pin links are used to join two ends of a roller chain together. These connecting pin links consist of an outer plate which is fitted with two pins that slot inside the adjacent roller link bushes and a connecting plate which is fitted separately. These connecting pin links are available in three types:
This link is a combination of a roller link and a pin link and consists of two offset plates a bush and a movable pin with that is held in place by a cotter pin or split pin. These links are used when the chain length is an odd number of pitches and the link increases or decreases the length of the chain by one pitch. This practice is not recommended. This type of link is also available as a two pitch offset link which comprises of one offset and one roller link.