Patent ID: 7824285

Claim:
A bicycle rear derailleur comprising: a base member having a mounting portion configured to be pivotally mounted to a bicycle portion about a main pivot axis, the base member being formed of a metal plate that includes the mounting portion, a linkage support portion, a stroke adjustment mounting structure, an angular position adjustment mounting structure including a threaded through hole formed in the metal plate to receive an angular position adjustment member, and an outer casing adjustment mounting structure with the angular position adjustment mounting structure adjusting an angular orientation of the base member with respect to the bicycle portion about the main pivot axis, such that the mounting portion, the linkage support portion, the stroke adjustment mounting structure, the angular position adjustment mounting structure and the outer casing adjustment mounting structure are integrally formed as a one-piece unitary member; a movable member movably coupled to the linkage support portion of the base member; and a chain guide coupled to the movable member.