| 摘要 |
This chain is improved so as to enhance its guidance by the chain-guide roller, in a derailleur for a cycle. For this purpose, its outer cheeks 10 have an edge 16 opposite the face of the chain which is directed towards the sprockets with which this chain interacts, which edge 16 has a convex shape. Preferably, the outer cheeks 10 comprise, along this same edge 16, a part 17 projecting towards the inside of the chain. <IMAGE>
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