| 摘要 |
According to the invention, this mechanism comprises a member (16) screwed into a lower derailleur support (4) and which interacts with a rod (12) secured to a plate (6) and pivoting in a movable bearing (20), as well as with a tensioning spring (14) interposed between the plate and the lower derailleur support so as to fulfil the dual function consisting of fastening the chain tensioning and guiding assembly (2) to the derailleur, and adjusting the torque on the tensioning spring. Application: especially to assembling cycle rear derailleurs. <IMAGE>
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