12-speed 105 wide link rear derailleur Wide Link design increases rigidity and shifting performance Super stiff for fast and accurate changes across the cassette Large 11 tooth pulleys increase service life and reduce noise Super light shift action Compatible with 12-speed drivetrains Minimum low sprocket 34T, maximum low sprocket 36T with double chainset Maximum front difference 16T, total capacity 41T Average weight 249 grams
