| 摘要 |
An adjusting mechanism is provided for a bicycle derailleur, which can adjust a position of a chain guide in an axial direction. The derailleur basically has a base member, a movable member with a chain guide and a linkage assembly. The adjustment mechanism is operatively coupled between the movable member and the chain guide. In one embodiment, the movable member has the adjusting mechanism that movably supports the movable member in an axial direction on a second axle. The adjusting mechanism basically has a first tubular guide portion extending from the movable member to pivotally engage the second axle. A second tubular guide portion extends from the chain guide and is arranged around the first tubular guide portion. A biasing member is positioned between the first and second tubular guide portion to urge the movable member relative to chain guide in a rotational direction about the second axle. In another embodiment, the base member has an adjusting mechanism that movably supports the base member in an axial direction on a first axle.
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