Shimano 105 11-Speed Rear Derailleur SS For Low Gear RD-5800

11-speed 105 wide link rear derailleur medium cage - GS

Advanced 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 11-speed drivetrains

Maximum low sprocket 28-32T with double chainset

Maximum front difference 16T, total capacity 37T

Average weight 232 grams