| 摘要 |
A bicycle derailleur is basically provided with a base member, a linkage assembly movably coupled to the base member, a movable member movably coupled to the linkage assembly and a chain guide movably coupled to the movable member. The chain guide has a pair of cage plates (31,32), a first pulley (33) rotatably supported between the cage plates and a second pulley (34) rotatably supported between the cage plates. At least one of the cage plates includes a non-metallic cage body and at least one metallic insert (52,62). The metallic insert has a pulley axle receiving bore supporting one of the pulley axles of the pulleys and a fastening part at least partially embedded in the non-metallic cage body.
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