CPC B62M 9/124 (2013.01) [B62M 9/125 (2013.01); B62M 9/126 (2013.01); B62M 9/1242 (2013.01); B62M 2009/12406 (2013.01)] | 18 Claims |
1. A bicycle rear derailleur comprising:
a base member configured to be mounted to a bicycle frame;
a linkage structure pivotally coupled to the base member;
a movable member pivotally coupled to the linkage structure such that the movable member is movable relative to the base member;
a first pulley assembly including:
a first pulley support pivotally coupled to the movable member about a first pivot axis; and
a first toothed pulley configured to engage with a bicycle chain and rotatably coupled to the first pulley support about a first pulley axis spaced apart from the first pivot axis; and
a second pulley assembly including:
a second pulley support pivotally coupled to the movable member about a second pivot axis spaced apart from the first pivot axis;
a second toothed pulley configured to engage with the bicycle chain and rotatably coupled to the second pulley support about a second pulley axis spaced apart from the second pivot axis; and
a third toothed pulley configured to engage with the bicycle chain and rotatably coupled to the second pulley support about a third pulley axis spaced apart from the second pivot axis and the second pulley axis.
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