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Offset Links
For having a chain a unusual number of pitches in length, often used to shorten a chain by a pitch, offset links are often known as 1⁄2 links or crank links. Two separate configurations provide offset connections.
The single-pitch offset connections have a slip-fit screw, unassembled in the connecting plates. A link is ground on one end of the screw, so that once mounted, it does not turn in the linkplate.
Two-pitch offset ties in form press-fit are a connection offset and a joint roller component. This assembly's press-fit construction improves its structural rigidity, reliability and longevity significantly. The two-pitch offset mounting is preferred for these purposes instead of the one-pitch offset. Nonetheless, offset links in performance-oriented drives are not recommended because of the reduction in the chain's working power.