A bicycle component positioning device includes a wire takeup member, a positioning member, first and second maintaining members and a release member. The positioning member rotates with the wire takeup member between a plurality of predetermined positions. The first maintaining member moves between a position to maintain the positioning member in one of the predetermined positions and a position to release the positioning member. The second maintaining member moves between a position to maintain the positioning member in one of the predetermined positions and a position to release the positioning member. The release member moves in the first direction to selectively move the first maintaining member between its two positions, and to selectively move the second maintaining member between its two positions. The release member moves in the second direction in response to a rotation of the wire takeup member in the second direction.