| 摘要 |
A bicycle shift control mechanism is configured to operating a bicycle transmission shifting device. The bicycle shift control mechanism has a wire take up member, a winding ratchet member and a positioning ratchet member. The winding ratchet member is coupled to the wire take up member and arranged to rotate the wire take up member about the rotational axis. The positioning ratchet member is configured and arranged to selectively position the wire take up member between one of a plurality of predetermined shift positions. The positioning ratchet member is coupled to the wire take up member such that the wire take up member is movable relative to the positioning ratchet member for a predetermined amount of rotational movement of the wire take up member and move together as a unit after the predetermined amount of rotational movement.
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