摘要 |
A bicycle derailleur basically includes a base member, a movable member, a chain guide, a friction element and a motor. The base member is configured to be mounted to a bicycle. The movable member is movably coupled to the base member. The chain guide is coupled to the movable member to rotate around a rotational axis with respect to the movable member. The friction element is operatively arranged between the movable member and the chain guide to frictionally provide rotational resistance in a first rotational direction of the chain guide. The motor is operatively coupled to the movable member to move the movable member with respect to the base member.
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